39results about How to "Improve sense of direction" patented technology

The invention discloses a tunnel back reflection illuminating system setting method based on train speed control and train distance keeping. The method comprises the steps of: arranging tunnel side walls, red and white facade marked lines on lower edges of curbs, and road surface raised pavement markers on road sides to form a space high-frequency vision information stream; secondly, arranging a plurality of layers of outline markers on the tunnel side walls at intervals of 25-50m in an advancing direction, arranging side wall vertical marked lines and extending to the top of a cave, transversely arranging transverse wrong vision marked lines on the road surface to form a space medium-frequency vision information stream; and then arranging two white folded lines and vibration marked lines on the road surface every 3 medium-frequency transverse marked lines at intervals of 100-200m in the advancing direction, and arranging two white folded lines on the side walls to form a space low-frequency vision information stream. Multiple channels of frequency vision systems are made of a high-strength back reflection material, so that a back reflection illuminating system is formed, perception of velocity and perception of distance of a driver are effectively improved, thus the integration of tunnel illuminating benefit and tunnel safety is achieved. The tunnel back reflection illuminating system setting method can be applied to tunnel illumination of low-light expressways with speed limit of 60-80km / h and traffic safety facility improvement.

The invention discloses a low-cost mountainous-area expressway tunnel entrance vehicle speed control facility designing method which comprises the following steps of: setting red-and-white mark lines and road-side road surface and in-road lane line raised road signs on the side wall of the tunnel entrance, the lower edge of curb and the plane of the overhauling way at a space of 1.5-3m to form a high-frequency vision information flow; setting intermediate-frequency information at the tunnel entrance in the advancing direction every 20-30m, setting 3 layers of delineators on each side wall of the tunnel from top to bottom, setting a side wall vertical mark line and 2 side wall white broken lines, and setting a transverse staggered vision mark line and 2 white broken lines on the road surface to form an intermediate-frequency vision information flow; and forming a retroreflection illumination system from the retroreflecting materials by use of the high and intermediate-frequency vision information. Road-side road surface raised road signs and transverse deceleration mark lines (consisting of transverse vibration mark lines and transverse staggered vision mark lines) are arranged in front of the tunnel entrance, and the longitudinal space of the transverse deceleration mark lines turns smaller at first and then becomes stable to form a tunnel pre-deceleration system. The retroreflection illumination system and the deceleration system form the tunnel entrance vehicle speed control facility which realizes reasonable transition of the vehicle speed at the tunnel entrance and is suitable for the mountainous-area expressway tunnel entrance with the speed limit of 60-80km / h.

The invention provides an image enhancement and abstraction method based on anisotropic filtering. The method comprises the following steps: calculating the smooth continuous characteristic-preserved edge tangential flow field of an input image by use of a structure tensor smoothing technology; performing adaptive smoothing on the image along the direction of the edge tangential flow; performing unsharp image enhancement based on a Gaussian difference mask along the gradient direction; and performing improved bilateral filtering based on characteristic flow or improved Kuwahara filtering based on characteristic flow to obtain a characteristic-enhanced abstract image. The method provided by the invention can obviously improve the generation quality of the existing image abstraction method; and the obtained abstract image has obviously-enhanced boundary characteristics, clear image quality and distinct layers.

The invention provides a retroreflection information based method for improving lighting system in urban under-crossing short tunnel. A wall lamp pole at an approach end of the short tunnel is provided with a variable-height transverse suspension cable, three rows of lamps are transversely arranged on the suspension cable, the longitudinal direction of the lamps is in accordance with the tunnel line shape and the arranging direction of the inside tunnel lamps, facade mark lines are arranged at the lower edge of the lamp pole, side walls of the approach are provided with vertical markings and multiple layers of delineators, transverse optical illusion decelerated markings are arranged on the road surface, and accordingly mid-frequency retroreflection information flow of the tunnel approach is composed. A mid-frequency retroreflection information flow of the under-crossing section of the tunnel is composed by the multiple layers of delineators of the side walls, transverse optical illusion decelerated markings on the road surface, and side wall vertical markings which are arranged on an under-crossing section of the tunnel and extend to a roof. The facade mark lines are arranged on the inner side walls of the tunnel and side walls of the approach at intervals of 1 to 2 meters in the longitudinal direction, while protruding road signs are arranged on road surfaces and road sides, and accordingly the high-frequency retroreflection information flow is composed. By the retroreflection information based method for improving lighting system in urban under-crossing short tunnel, light transition in the exit and entrance of the tunnel can be eased, and smooth transition of vehicle speeds in the exit and entrance of the tunnel is realized through arrangement of multiple retroreflection visual information.

The invention relates to an urban river-crossing bridge traffic landscape design method based on multi-frequency color information. Yellow and black or blue and white lamp pole facade marking lines are arranged on the lower edges of two sides of lamp poles, at the interval of 25 m to 35 m, of a bridge; transverse visual illusion marking lines are arranged at the positions, corresponding to the yellow and black or blue and white lamp pole facade marking lines, of the road surface; road surface protruding road marks are arranged at the interval of 12.5 m to 17.5 m, and therefore the space intermediate frequency visual information flow is jointly formed. Yellow and black or blue and white road side facade marking lines are arranged on the lower edge and the top of curb stone at intervals of 1.5 m to 3 m, and therefore the space high frequency visual information flow is formed; a set of road surface transverse white folding lines is arranged every four lamp poles in the advancing direction, and yellow or blue bridge handrails are arranged on the road side, so that the space low-frequency visual information flow is formed. The multi-frequency color information flow can effectively improve the speed perception, the distance perception and the visual sensitivity under high and low illuminance of a driver in the vehicle driving process, and unification of urban river-crossing bridge traffic landscape coordination and vehicle driving safety is achieved.

The invention relates to a luminous induction system for rural road tunnels. According to the light environment characteristics of different sections of the tunnel, driving characteristics and visual characteristics of the driver, short tunnels are divided into short tunnels <200m and medium-short tunnels of 200-500m, and short tunnels of 200-500m are divided into: entrance section, middle section, In the exit section, multi-frequency and multi-size luminous induction facilities are set according to the characteristics of the road section; a reminder area is also set in the middle section; the high-frequency small-size induction information is set on the outside of the lane or at the maintenance road with the highest brightness, and the medium-frequency small-size induction information is set on The brightness of the side wall is lower than that of the curb induction information. The medium-scale induction information of the medium-frequency information is set on the side wall, and the low-frequency large-scale induction information is set on the side wall and extends to the top of the tunnel. Taking into account both safety and energy saving, while avoiding optical illusions and ensuring safety, it is especially suitable for short rural road tunnels (<500m) without electricity or lights.

The invention relates to an anti-dazzle principle based design method for traffic engineering facilities at a road tunnel exit. The method is characterized in that tunnel exit anti-dazzle facilities are arranged in front of the tunnel exit to ease intensive brightness transition caused by insufficient illuminating lamps at the tunnel exit; coloured painting materials of which reflection coefficients gradually reduce are arranged on the tunnel ceiling, side walls and roads from the top down to ease brightness transition and beam divergence at the tunnel exit, so as to lift the dazzle area, reduce the dazzle area below the visual line of a driver and increase the visual adaptation time; horizontal road direction lines and road lane keeping lines are arranged on the road, and side wall vertical direction lines and side wall double-layered contour marks are arranged on the side walls, so as to form a closed mid-frequency retroreflective information stream together; high-frequency red and white marked lines arranged on maintenance road edges and road side reflective raised route markers form a high frequency visual information stream to increase the driver's instantaneous velocity sensation, and promote the driver's speed feeling and distance feeling, and accordingly, the coordination and unification of the tunnel lighting energy conservation and tunnel traffic safety are realized.

The invention provides a traffic safety facility for a roundabout of a rural-urban continuum and a design method of the traffic safety facility, aiming to improve the speed perception and the direction perception of a driver when the driver drives at the roundabout of the rural-urban continuum and improve the visual cognition capability of the driver to pedestrians crossing the street and barriers in a roundabout range. The facility comprises strip vertical face marker lines at the lower edge and the top of a roundabout annular-island curbstone; concrete separation piles are arranged between the outer side edge line of the roundabout annular-island curbstone and the outer side edge line of a road; concrete separation piles are arranged between the road side edge line of each road of the roundabout and a slope edge line; steel fixed separation piles and LED (Light Emitting Diode) lamp poles are arranged on pedestrian crosswalks and the lane edges at the sides of the roundabout, corresponding to the pedestrian crosswalks. The method adopts a low-cost road marker line and visual induction system and does not relate to a large-scale road infrastructure, so that the investment is small, the construction is easy and the effect is rapid to realize; the driving safety of the roads of the rural-urban continuum can be improved.

The invention relates to the technical field of road safety, in particular to a low-grade highway tunnel entrance energy-saving induction system. The low-grade highway tunnel entrance energy-saving induction system is characterized in that road center double amber lines are arranged within the front overtaking sight distance of a tunnel entrance, and intermediate frequency linear induction signs are arranged within the decision-making line-of-sight range of the tunnel entrance with a spacing of 15-25m; high-frequency cat-eye spikes are arranged on a road centerline and lane sidelines from thedecision-making line-of-sight range outside a tunnel portal to the tunnel entrance section inside the tunnel portal with a spacing of 5-8m; an annular yellow-black facade marking line formed by a super aluminum back base reflective film is arranged on the tunnel portal of the tunnel entrance, the full outline of the tunnel portal is marked by the annular yellow-black facade marking line, and 4-5 high-frequency anti-collision barrels are arranged between the linear induction signs and the tunnel portal of the tunnel entrance with a spacing of 5-8m; and the entrance section inside the tunnel portal is provided with no less than 5 continuous light reflection rings, the interval is 15 to 25 m, and the two sides of the tunnel portal are symmetrically arranged. A safety visual reference system is constructed by using energy-saving materials, visual perception of a driver is induced during driving, and the low-grade highway tunnel entrance energy-saving induction system is applied to a secondary road with a speed limit of 60 km / h and lower grade road tunnels.

The invention relates to the technical field of traffic safety of expressways, in particular to an expressway exit curved slope ramp sight induction system, which is characterized in that corresponding first-stage, second-stage and third-stage sight induction systems are respectively arranged in road section areas with speed limits of 40km / h and below, 40-60km / h and 60km / h and above; the sight line induction system comprises a high-frequency rectangular attached delineator arranged at the bottom of the guardrail, a medium-frequency combined rectangular attached delineator arranged in the middle of the guardrail and a medium-frequency warning linear induction mark arranged on the outer side of the guardrail, and the high-frequency rectangular attached delineator, the medium-frequency combined rectangular attached delineator and the medium-frequency warning linear induction mark are graded according to different speeds. The round delineators, the rectangular attached delineators and thevisual reference columns are arranged on the inner sides and the upper portions of the guardrails, so that delineator induction of a curved slope section can be improved, the sensing capacity of a driver to a curve and a longitudinal slope is enhanced, the driver is effectively warned, and the starting section, the middle portion and the ending section of the ramp are each provided with an annularlight reflection structure. And a lane indicator is arranged below the annular reflective structure so as to ensure that a driver can discover within a decision sight distance.

The invention relates to an improving method for a dark spot in an accident at an exit ramp of an expressway based on retro-reflection illumination, wherein ramp grading speed-limit signs are arranged at sight through places in front of the starting point and the nose end of a transition section of a deceleration lane of the exit ramp; a main line single-layer linear induction sign and a ramp double-layer linear induction sign are arranged behind the nose end of the exit ramp; a lane edge line of the exit ramp deviates towards the inner side and reduces the width of a traffic lane, an edge line of a lane at the outer side is set to be a vibration edge line; raised road signs are arranged at the outer sides of a main line and a road edge line of the exit ramp from the end point of the deceleration lane, and a single-side anti-collision bucket is arranged at a guardrail next to the outer side of the ramp from the nose end of the exit ramp, so as to form a high-frequency vision information stream commonly; road-surface lateral deceleration marked lines are arranged in the heading direction of the exit ramp at an interval of 8-12m, so as to form an intermediate-frequency vision information stream commonly with road side linear induction signs; and road side vibration marked lines, anti-collision buckets and the guardrail form road side multi-level protection, and all safety facilities are made of high-strength reflecting materials. The improving method is suitable for realizing the speed limit for a downgrade ramp at an exit of the expressway (40-60km / h).

The invention relates to the technical field of traffic safety facilities, in particular to a mist zone city fast road super large bridge low-position lighting sight line induction system. High-frequency low-position lighting induction information, medium-frequency high-position induction information and low-frequency high-position induction information are included. The high-frequency low-position lighting induction information comprises convex road signs arranged on the road surface, curb vertical face signs and low-position fence lamp combined systems arranged on the two sides of the road and a fixed slope type fence arranged on the road halved zone. The medium-frequency high-position induction information comprises lane side boundary indication boards symmetrically arranged on the twosides of the road. The low-frequency high-position induction information comprises a door frame type structure arranged above the road. According to the mist zone city fast road super large bridge low-position lighting sight line induction system, through combined design of a series of lighting and sight line induction facilities different in dimensionality and frequency, the speed sense, the direction sense and the distance sense of drivers in the mist zone city super large bridge road section are improved, and accordingly the lane keeping capability, the vehicle following distance keeping capability and the speed sensing capability of the drivers are improved.

The invention provides a campus navigation method based on an augmented reality technology, and the method comprises the following steps: 1, enabling an intelligent terminal to access a campus background server through a wireless network, and obtaining a campus electronic map from the campus background server; 2, the intelligent terminal sending a request command to a campus background server according to a retrieval and query request of a user for position information of a certain region module in the campus electronic map; 3, the campus server receiving a request command sent by the intelligent terminal, and sending the image, 3D model or video information data rendered by the AR technology of a certain area module to the intelligent terminal; and 4, the intelligent terminal displaying the enhanced display picture on a front-end page of the campus electronic map. Based on the specific campus environment, the campus electronic map is combined with the augmented reality technology, sothat the university newborn can quickly and conveniently know the familiar university environment through a mobile phone without a tour guide.

The invention discloses a tunnel back reflection illuminating system setting method based on train speed control and train distance keeping. The method comprises the steps of: arranging tunnel side walls, red and white facade marked lines on lower edges of curbs, and road surface raised pavement markers on road sides to form a space high-frequency vision information stream; secondly, arranging a plurality of layers of outline markers on the tunnel side walls at intervals of 25-50m in an advancing direction, arranging side wall vertical marked lines and extending to the top of a cave, transversely arranging transverse wrong vision marked lines on the road surface to form a space medium-frequency vision information stream; and then arranging two white folded lines and vibration marked lines on the road surface every 3 medium-frequency transverse marked lines at intervals of 100-200m in the advancing direction, and arranging two white folded lines on the side walls to form a space low-frequency vision information stream. Multiple channels of frequency vision systems are made of a high-strength back reflection material, so that a back reflection illuminating system is formed, perception of velocity and perception of distance of a driver are effectively improved, thus the integration of tunnel illuminating benefit and tunnel safety is achieved. The tunnel back reflection illuminating system setting method can be applied to tunnel illumination of low-light expressways with speed limit of 60-80km / h and traffic safety facility improvement.

The invention relates to the technical field of urban underwater extra-long tunnel traffic safety, in particular to an underwater extra-long tunnel curved slope section asymmetric induction system which comprises asymmetric induction information arranged on the side wall of a tunnel and road surface induction information arranged on the road surface of the tunnel. The asymmetric induction information comprises a tree-shaped mark, a building block-shaped mark, a wave-shaped mark and a fish-shaped mark, and the road surface induction information comprises curb sight induction information and road surface sight induction information. Through the asymmetric sight line induction information and the road surface direction guide information arranged on the side wall of the tunnel, the system is more effective and has very good continuity, so that a driver can judge the linear trend of the tunnel more accurately, the interestingness of a driving environment in an urban underwater city tunnel is improved, and enough reference information is provided; a pleasant driving experience can be brought to the driver in a monotonous middle tunnel driving environment, traffic accidents can be reduced, and the tunnel traffic safety level is improved.

The invention discloses a sound processing device. The sound processing device is built in a mobile terminal, and a left earphone and a right earphone are disposed at the exterior of the mobile terminal. The sound processing device comprises: a position allocation module, a position confirmation module and an output module. By using the sound processing device, sound data, which is sent by another participant terminal and is received by a local mobile terminal in a telephone conference, can be subjected to left-right weighted processing and time sequence adjustment and then is outputted to the left earphone and the right earphone. The invention further discloses a sound processing method. According to the sound processing device and method, in the telephone conference, the received sound is subjected to the left-right weighted processing and the time sequence adjustment and then is outputted to the left earphone and the right earphone, thereby reinforcing direction sense of sound heard by a participant through the earphones, and improving experience of a user in the telephone conference.

The invention discloses a low-cost mountainous-area expressway tunnel entrance vehicle speed control facility designing method which comprises the following steps of: setting red-and-white mark lines and road-side road surface and in-road lane line raised road signs on the side wall of the tunnel entrance, the lower edge of curb and the plane of the overhauling way at a space of 1.5-3m to form a high-frequency vision information flow; setting intermediate-frequency information at the tunnel entrance in the advancing direction every 20-30m, setting 3 layers of delineators on each side wall of the tunnel from top to bottom, setting a side wall vertical mark line and 2 side wall white broken lines, and setting a transverse staggered vision mark line and 2 white broken lines on the road surface to form an intermediate-frequency vision information flow; and forming a retroreflection illumination system from the retroreflecting materials by use of the high and intermediate-frequency vision information. Road-side road surface raised road signs and transverse deceleration mark lines (consisting of transverse vibration mark lines and transverse staggered vision mark lines) are arranged in front of the tunnel entrance, and the longitudinal space of the transverse deceleration mark lines turns smaller at first and then becomes stable to form a tunnel pre-deceleration system. The retroreflection illumination system and the deceleration system form the tunnel entrance vehicle speed control facility which realizes reasonable transition of the vehicle speed at the tunnel entrance and is suitable for the mountainous-area expressway tunnel entrance with the speed limit of 60-80km / h.

The invention discloses a self-service terminal and a control method thereof. The self-service terminal comprises a computer program stored in a memory and executable by a processor. When the computerprogram is executed by the processor, the following steps are realized: obtaining user identity information and navigation parameter information; when the computer program is executed by the processor, the self-service terminal obtains user identity information and navigation parameter information. Generating a first path data according to the target coordinate data, the transit coordinate data and the first real-time coordinate data; generating a guide image on the touch display screen according to the first path data; generating a second path data according to the acquired navigation parameter information corresponding to the first navigation touch command and the second real-time coordinate data when the user initiates the first navigation touch command at other self-service terminals;updating the guidance image generated by the user when the first navigation touch command is initiated by the other self-service terminal according to the second path data. The self-service terminaland the control method thereof provided by the invention can help a user to accurately find a companion in a large public place in a time-saving manner.

The invention provides an ultraviolet LED integrated lens, for the purpose of solving the problems of quite poor sense of directions and quite poor uniformity of ultraviolet rays in a conventional ultraviolet LED lens. The ultraviolet LED integrated lens comprises a sapphire lens layer and a silver-coated reflecting layer. The sapphire lens layer is composed of a sapphire frame, large concave lenses, small concave lenses, transition lenses and a sapphire substrate. The sapphire frame is annular; the large concave lenses and the small concave lenses are both semispherical, the transition lenses are one fourth of balls, and the transition lenses are encircled on the inner side wall of the sapphire frame; and the silver-coated reflecting layer is arranged on the outer side wall of the sapphire frame. According to the invention, the sapphire lens layer is composed of the sapphire frame, the large concave lenses, the small concave lenses, the transition lenses and the sapphire substrate. The silver-coated reflecting layer is arranged on the outer side wall of the sapphire frame, such that the sense of directions of the emitted ultraviolet rays is enhanced, the uniformity is better, the leakage of the ultraviolet rays is reduced, human safety is guaranteed, and the application cost and resources are reduced.

The invention discloses a sound effect control method for orthogonal substrate correction and a sound effect output device. The sound effect control method comprises the following steps: six or eightsound channel initial signals are generated according to a left sound channel original signal and a right sound channel original signal; a first gain is calculated according to a rotation angle and afirst axial angle, a second gain is calculated according to the rotation angle and a second axial angle, and the first axial angle and the second axial angle are orthogonal; and a left channel correction signal and a right channel correction signal are synthesized according to the first gain and the second gain.

The invention relates to a tunnel source-free lighting system utilizing natural light and automobile lamp light. Arch-shaped outline loops are arranged at the positions of tunnel portals of a tunnel and the positions 15-20 m away from the tunnel portals and arranged in the tunnel at the intervals of 100-200 m. Protruding road signs and road edge delineators are arranged in the tunnel at the intervals of 5-16 m. side wall delineators are arranged on the tunnel wall face in the tunnel at the intervals of 15-30 m. Lane marking lines and transverse warning marking lines are arranged on the road surface in the tunnel. The outline loops, the protruding road signs, the road edge delineators, the side wall delineators and the road marking lines are both made of an energy accumulation and luminescent material and a retroreflection material which are combined and overlaid. According to the tunnel source-free lighting system utilizing the natural light and the automobile lamp light, the natural light and the automobile lamp light are used as light sources for lighting, energy conservation and environmental protection are achieved, vehicles can be induced to normally travel, the travel direction sense and the distance sense can be improved, a driver can be reminded to control the vehicle speed, the distance between the own vehicle and the front vehicle and the distance between the own vehicle and a barrier on the sides of the road can be clear and definite, guiding escape lighting can be guaranteed during pedestrian maintenance and accidents, and a clear vision area within the speed distance of 6 seconds in front of the sight of the driver can be guaranteed.

The invention provides a traffic safety facility for a roundabout of a rural-urban continuum and a design method of the traffic safety facility, aiming to improve the speed perception and the direction perception of a driver when the driver drives at the roundabout of the rural-urban continuum and improve the visual cognition capability of the driver to pedestrians crossing the street and barriers in a roundabout range. The facility comprises strip vertical face marker lines at the lower edge and the top of a roundabout annular-island curbstone; concrete separation piles are arranged between the outer side edge line of the roundabout annular-island curbstone and the outer side edge line of a road; concrete separation piles are arranged between the road side edge line of each road of the roundabout and a slope edge line; steel fixed separation piles and LED (Light Emitting Diode) lamp poles are arranged on pedestrian crosswalks and the lane edges at the sides of the roundabout, corresponding to the pedestrian crosswalks. The method adopts a low-cost road marker line and visual induction system and does not relate to a large-scale road infrastructure, so that the investment is small, the construction is easy and the effect is rapid to realize; the driving safety of the roads of the rural-urban continuum can be improved.

The invention relates to a tread pattern on tires. The tread pattern provided in the invention comprises a central pattern block, lateral pattern blocks and tire shoulder pattern blocks, wherein, the central pattern block is located at the central part of a tread, the lateral pattern blocks and the tire shoulder pattern blocks are regularly arrayed at the left and right sides of the central pattern block according to an inside-to-outside sequence, the central pattern block is an integrated vertical pattern block and is separated from the lateral pattern blocks through a vertical circular pattern groove, the lateral pattern blocks are separated from the tire shoulder pattern blocks through auxiliary vertical pattern grooves, adjacent lateral pattern blocks are separated from each other through a lateral pattern groove, adjacent tire shoulder pattern blocks are also separated from each other through a lateral pattern groove, lateral pattern grooves communicate with the circular pattern groove, and two ends of one auxiliary vertical pattern groove respectively communicate with two adjacent lateral pattern grooves. According to the invention, a mixed pattern is employed on the tread of tires, which enables the tires to have a sufficient braking force, good driveability and beautiful and elegant appearance.

The invention provides a light source scanning positioning system, which comprises at least two light source emitting devices and at least a light source receiving device; wherein, the light source receiving device comprises a light signal receiver and a optical-electrical conversion module; the optical-electrical conversion module converts the received detection light source into electrical signals; the relative spaces from each of the light source emitting devices respectively to the light receiving device are calculated through extracting the position parameters of the electrical signals which characterizes each of the light source emitting devices and by combining the deviation angles of the light source emitting devices and / or the included angle information of two detection light sources and quoting the sine theorem, and thus the positions of the light source receiving devices are determined. The invention also provides a light source scanning positioning method, and the orientation of a movable object is scanned and determined through the emission and the receiving of the detection light sources; therefore the movable object can automatically distinguish the self position and automatically completes the set moving route.

The invention belongs to the field of urban traffic. A kind of urban three-dimensional transportation network, comprises the arterial road of intersection and branch road, and described arterial road and branch road all are provided with motor vehicle lane and non-motor vehicle lane, and described non-motor vehicle lane is arranged at the left and right sides of motor vehicle lane; Also includes The bridge network that is arranged on the main road and the branch road, the bridge network includes the main straight bridge, the span bridge and the branch road one-way bridge; the main straight bridge includes the upward A main straight bridge and the downward B main straight bridge; Said span bridge comprises the first span bridge of A main straight bridge-B main straight bridge and the second span bridge of B main straight bridge-A main straight bridge; D one-way bridge. The urban three-dimensional traffic network of the present invention has the characteristics of high vehicle traffic efficiency, low probability of traffic jams, small occupied area, low cost, and can be reconstructed on the basis of existing urban road traffic facilities.