372 results about "Road T junction" patented technology

The invention provides a method for road traffic signal setting and crossing traffic control. A stop line is arranged on the left-lane at the position one distance from the stop line at the crossing and a section of a central dividing line is erased to set an exit, the dividing line between a first and a second lanes or the dividing line between a second and a third lanes is changed into a full line to cause an exit lane in the opposite direction to be employed as an entrance lane for forward driving under the circumstance of time separation in each signal period. In addition, according to the status quo of relatively wide road lane in China, the lanes of a two-way road experience a compact design; entrance lanes are added and a bus crossing priority system is established to make full use of the time and space of the crossing traffic to improve the traffic capacity and traffic quantity of crossings, in particular effectively improve the operation effect of buses, thus leading to the free-flowing and speed-raising of the traffic, energy-saving and emission-reducing and safety and order of the traffic and the sustainable development of the traffic transportation of the whole city.

The invention discloses a method for guiding vehicles at a road intersection. The method is characterized in that: at least a row of guiding lamps are arranged on the ground of each lane leading to the road intersection; the guiding lamps have two colors of green and red; the length of the lanes provided with the guiding lamps is at least 200 meters from the intersection; traffic speed at the intersection is set; length of road occupied by the red and green guiding lamps is determined by the lasting time of the red and greed traffic lights and the traffic speed at the intersection; color sections of guiding lamps are controlled to perform movable display towards the intersection at the traffic speed at the intersection by changing displaying colors of guiding lamps at corresponding positions, so that the colors of the guiding lamps at the intersection are matched with the colors of the traffic lights. The method automatically divides vehicles into groups; each group of vehicles arrives at the intersection just when the traffic light is green; therefore, vehicles run through the intersection without waiting; and the method improves traffic capability of vehicles within the same green light period, reduces exhaust emission and saves gasoline.

The invention discloses a plane road intersection dispersion system without a left turn conflict. A left turn guiding channel having a certain distance from stopping lines is arranged at a left-most lane in any driving direction of an intersection, a left turn waiting zone is arranged at an right-most lane of an inverted road of the same intersection, and the left turn guiding channel and the left turn waiting zone are connected. Left moving stopping lines and left moving traffic lights are arranged at the entrance of the left turn guiding channel. By utilizing the idle time that no vehicles are on the inverted road when the straight driving direction is in a red light period, left-turning vehicles are enabled to stop at the right-most side of the inverted lane, left turning is finished by one time during the red light period of the intersection, and no conflicts are generated between opposite vehicles. According to the invention, the smooth passing requirements of the straight-driving and left-turning vehicles are satisfied, the crossing conflicts and accidents of vehicles are reduced, and the vehicle passing capacity of the intersection is effectively improved.

The invention provides a self-adaptive tidal lane and crossing transition system based on LED traffic signs and a control method. A traffic flow information acquisition device C collects real-time traffic flow data, and sends the traffic flow data to a lane division analysis and calculation device H; then, the lane division analysis and calculation device H carries out analysis and calculation to obtain a real-time lane division scheme, and the scheme is sent to a display control device X; and finally, road markings LMB and crossing guidance sign display LKX display a road clearing process and the lanes and crossings obtained after transition. The system realizes self-adaptive dynamic lane switching according to the traffic flow information. The self-adaptive tidal lane and crossing transition system, compared with the manual transition mode, accords with the idea of intelligent traffic better, so that the problems of tidal lane crowding phenomenon and crossing traffic flow concentration can be solved to the largest degree, and energy is saved and discharge is reduced.

A centralized monitoring system of a cable inspection well comprises a well lid protection monitoring center, a cable well state monitoring device and a data communication channel, wherein the cable well state monitoring device is controlled by a junction management unit, can realize control over an electromagnetic lock by using the interconnection characteristic of wireless or cable pipelines and adopting wireless or wired connection, and has the functions of well lid opening state monitoring, intra-well accumulated water monitoring and well lid crack detection. The system conducts network control over all cable inspection wells in a control range through a centralized monitoring device of the cable inspection well, and detects the opening and closing state, as well as the deformation, of a lid of the cable inspection well at real time. According to the request of a normal constructor, the centralized monitoring device of the cable inspection well authorizes the operations of well startup, well shutdown and the like with the system controlling the state of the cable inspection well on the spot. When the lid of the cable well is started illegally, lost, cracked or deformed and the like, the system timely gives an alarm to a monitoring center and directs and assigns maintenance personnel to handle in a centralized manner.

The invention belongs to the field of traffic condition prediction, and relates to a method for discovering congestion points, congestion lines and congestion areas based on a composite network. The composite network in the method is composed of two or more sub networks and connecting edges between the sub networks. The sub networks are independent networks constituting the composite network. Thecomposite network includes an intersection network and a sensor network. The sensor network takes traffic sensors at intersections as nodes, and the sensors are related by connecting edges. The intersection network takes intersections as nodes, and connecting edges are established according to whether the intersections can be connected. On the basis of the intersection network, the definitions ofa congestion index, a congestion point, a congestion line and a congestion area are given. Calculation is carried out based on the network structure. The method specifically comprises the steps as follows: first, defining a congestion index Ti, a congestion point, a congestion line and a congestion area; then, quantifying the congestion level; and finally, analyzing and calculating congestion points, congestion lines and congestion areas. The method is designed ingeniously, has good operability and practicability, and has a wide market prospect.

The embodiment of the invention provides a traffic road condition data processing method, device and system. Traffic road condition data can be reported by the utilization of information acquisition sensing equipment laid at the positions of traffic intersections of roads and the non-traffic-intersection positions of the roads. Meanwhile, the traffic road condition data can also be reported by the utilization of vehicle-mounted information acquisition equipment on vehicles, therefore, comprehensive traffic road condition data can be obtained, and the accuracy of real-time traffic road condition information is obviously improved according to the traffic road condition data. Meanwhile, real-time traffic road condition information of static sending points, basic road sections and continuous road sections can also be obtained according to the traffic road condition data, and therefore traffic road condition information of accurate road sections can be obtained. Consequently, when traffic is guided according to the obtained real-time traffic road condition information, the accuracy of traffic guidance can be improved, and traffic pressure is effectively relieved.

The invention relates to a convenient and smooth flyover crossroad traffic building without a traffic light, consisting of ground lanes, underground tunnels and ground flyovers. The ground roads are characterized in that straight lanes and right-turn lanes with separated direct and retrograde lanes are arranged at longitudinal crossroads, and right-turn lanes with separated direct and retrograde lanes are arranged at transverse crossroads. The underground tunnels are straight lanes with separated direct and retrograde lanes at the transverse crossroads. The ground flyovers consists of four left-turn overhead channels which are communicated with the left-turn lanes of the longitudinal crossroads and the left-turn lanes of the transverse crossroads, and the back of the opening faces to the crossroads. In the invention, the condition that automobiles from each direction can run on the own lanes can be realized without arranging the traffic light, and the automobiles can smoothly run straightly, turn left, turn right and take a U-turn. The invention has advantages of reasonable shunt, high traffic flow rate, simple and reasonable structure, low cost and convenient use.

The invention discloses a road buffering island and application thereof, and belongs to the field of traffic design. The road buffering island is realized through the following technical proposal: a basic structure of the road buffering island consists of an outer ring archipelago, a four-in and four-out inner lane and an inner ring island; and the road buffering island is generally arranged in a road central region. The road buffering island is designed and has the function of a crossing ring island; the inside of the road buffering island is also provided with a buffering passage specially for the left turn of vehicles; the buffering passage has main functions of adjusting the straight movement and the left turn of the vehicles in a crossing and the conflict between rapidness and slowness, buffering a few vehicles and dredging most vehicles and is complementary with a planar turning and returning point road unit and a vehicle shunting traffic light technology, can reduce shunting or even has no shunting and can effectively get rid of the influence of the left-turn vehicles on the crossing, thereby relieving the phenomena of crossing congestion and p[laying important functions on improving traffic capacity and safety level of urban roads.

The invention relates to a roadblock facility at a vehicle access road port, in particular to a ground type roadblock machine for controlling the access of vehicles. The ground type roadblock machinecomprises a control part, a power-driven part, a roadblock blocking part, a slope guiding part and traffic lights. The ground type roadblock machine is arranged and fixed on the ground of the vehicleaccess road port, wherein the roadblock blocking part comprises a panel and a protection plate rotating at a slow speed; when the red light of the traffic lights is turned on, the panel and the protection plate rotate upward to a set height so as to block the vehicles to pass through; and when the protection plate rotates downward to the position of the ground, the red light of the traffic lightsis turned off and the green light is turned on, and the vehicles are allowed to pass through. The ground type roadblock machine has the following advantages that: excavation is unnecessary during mounting, and foundation expansion bolts are driven in correlative positions on a cement floor; the production cost is reduced, the mounting and maintaining costs and other correlative costs are also reduced, and an access road is more convenient for the accesses of the vehicles and pedestrians; and the reliability is good, the construction is novel, and the structure is simple and reasonable.

The invention discloses a traffic organization design and control improvement method of intersection passing capacity and road net traffic content in the traffic design and control domain, which is characterized by the following: adapting main road junction peripherial road net to form a micro-circulation system to finish steering task of each direction; adapting the ways such as í‹stop turning left or rightíŒ, í‹one way runningíŒ and so on to simplify the traffic intersection collision to improve the traffic intersection passing capacity; utilizing í‹green waveíŒ to reduce the parking frequency and driving delay. The program is fit for mutual matching of different grades, which realizes the city traffic harmonious development.

A traffic intersection is configured to allow for the splitting of turning left lane from the other lanes at a region distal from the intersection region at a crossover zone to reduce bottlenecks at the intersection region itself and smoothes the flow of traffic. Also provided are a traffic guidance system, a traffic signaling arrangement, a pedestrian crossing, a pedestrian crossing guidance system, a directional indicator arrangement, a method of marking a traffic intersection and a method of determining a marking protocol for use at or with the traffic intersection.

The invention provides an urban road structure and a vehicle driving method, which is characterized in that a road unit is formed by an isolation guardrail (5), a roadway of small vehicles (1), a roadway of large vehicles (2), a roadway of non-motorized vehicles (3), a sidewalk (4) and a right turning ramp of motor vehicle crossroad (13), a right turning road of non-motorized vehicle crossroad (12) and a turning road of walkway crossroad (11). The urban road structure and a vehicle driving method has the advantages that all the vehicles are driven to the right; the traffic lights are cancelled for the whole course; separation of pedestrians and vehicles is realized; vehicle speed and transportation vehicle capacity are greatly improved; traffic accidents are greatly reduced; and the road structure is suitable for transformation of urban roads.

The invention relates to an interference-free urban road transportation network facility and a running method thereof, in particular to an interference-free urban road transportation network facility which formed by connecting an interference-free urban transportation trunk road network facility and a plurality of interference-free region road transportation network facilities and a running method thereof. The conventional urban road network facility has a grid shape of crossing the trunk with branch roads, and has dense crossed intersections and extremely low running capacity so as to cause severe traffic jam. The invention changes the conventional urban road network facility structure, employs the technology of turning around, one-way running, running on the left, designing annular lanes and interference-free interaction of the trunk network and an area network, provides the urban road transportation network facility with the advantages of novel structure, no running conflict node, interference-free and uninterrupted running of the vehicles and no traffic light, and the running method thereof, and has the advantages of high vehicle running efficiency, low manufacturing cost, and capacity of modification on the basis of the conventional urban road network facility.

The invention relates to a crossroad without traffic light, which comprises crossed longitudinal and horizontal roads, which are solid crossed, and one of them is extended to the horizontal road at the back of another road via the horizontal road at the front of cross part; the longitudinal or horizontal roads of horizontal plane have right bend channel at the crossed part to connect the vertical road and a passage horizontal channel near the crossed rod. The invention can improve the traffic efficiency, to separate the crosswalk and the vehicle channel, to confirm the safety.

The invention relates to a method for optimizing control of a switching mode of a traffic signal light, which comprises the following steps: releasing and stopping all driveways on a same entering road at the same time; releasing the driveways in the opposite direction of the same road respectively, and allowing vehicles on other roads to pass through an intersection under the condition that the travel of the vehicles on the released roads is not obstructed; and displaying the travel directions of different driveways on the same entering road by an electronic display and adjusting the travel directions at any time so as to balance the traffic flow of each driveway or in each travel direction. By adopting the method, the traffic capacity of the road intersection can be better utilized to improve the traveling speed of vehicles to pass through the intersection and improve the traffic condition of the intersection.

The present invention discloses a construction method of the guided way at the level-crossing in embedded track traffic engineering, it aims at providing a construction method for reinforcing the guided way at the level-crossing to reduce the damage of guided way at the level-crossing caused by heavy trucks, protect the life of rail and protect the operation safety. It includes the following steps: measuring and releasing lines; preparing the guided way; construction of chemical anchor bolt; putting the guided way into groove; installing bolts insulation bearing plate around the bolts, installing iron buckle on the bolts insulation bearing plate, installing insulation buckle press plate between the iron buckle and the bottom of the guided way, tightening the screw cap to fasten the insulation buckle press plate, iron buckle and the insulation bearing plate; casting epoxy sand pulp, shelling-out the rail holding groove and two sides of guided way with P21 priming paint; casting epoxy resin. The construction method reinforces the guided way, can release the damage of guided way at the level-crossing caused by heavy trucks, protect the life of rail and protect the operation safety, and the method is easy to be operated.

The invention relates to a setting and using method for changing traffic management modes of existing crossroads. At east, west, south and north crossroads, for an example of a crossing where the vehicles run from south to north and the direction is south, there are N pieces of ascending motorways from south to north and also N pieces of descending motorways from north to south, there is a left-hand bend mark signal in northwest and southeast, respectively, and there is a straight-run signal light in northeast and southwest, respectively, there are two yellow cross oblique lines coated on the ground at the crossroads, there are N pieces of echelon arranged parking lines in front of the ascending motorways, there is a left-hand mark signal light and a left-hand bend parking line in the place 30m-50m south apart from the parking line of the most inner left-hand bend motorway of the ascending motorways, it dashes out double-color yellow solid line in front-left direction to leave a gap, there is a yellow oblique line coated on the descending motorways on left side of the left-hand bend parking line, there is a yellow solid line coated in front of the N pieces of echelon arranged parking line, and there are N pieces of parking mark lines coated on the descending motorways nearby the crossroads. The other directions of the crossroads are all consistent with the setting of the south. It can solve or relieve the traffic jam of motor vehicles at the crossroads.

Disclosed is a multi-layer road system, which has multilevel roads composed of at least two floors with an inter-floor road for securing parking and living spaces and/or without the inter-floor road for minimizing the height thereof, entry/exit buildings provided at starting points of the multilevel roads, and intersection buildings provided at the intersection points between the multilevel roads. A planar layout structure of the multilevel road is based on a combination pattern, in which non-latticed type multilevel roads including intermediate entry/exit buildings are connected to each other by linear and curved multilevel roads. The floors of the intersection building enable a rapid and easy left-hand turn by substituting a P-turn mode for a conventional mode requiring a turn of 180 DEG along a loop road.

The present invention provides a traffic control method for road intersection. In the method, the road mark is used for identifying vehicle running directions; the left-hand turning mark is arranged on the left side of the road; the right-hand turning mark is arranged on the right side of the road; a direct traveling line is arranged in the middle; auxiliary traffic signals are used for controlling the beforehand turning of the vehicle. The present invention also provides a traffic signal controller which generates traffic signals and auxiliary traffic signals. The traffic control method and the traffic signal controller have the advantages of making full use of the idle resources of the road when the direct running is prohibited, turning in advance to prevent the intercross of turning and direct running, eliminating the signal period of time which singly allows turning, allowing simultaneous direct running and turning, and thus greatly improving the traffic efficiency of vehicles at the road intersection.

An urban crossroad traffic diverting system comprises driveways, non-driveways, ground pedestrian paths, a ground layer serving as motor vehicle passages and an underground layer serving as non-motor vehicle and pedestrian passages, wherein the ground layer includes an island road surface and a center island; each driveway is communicated with an annular driveway on the island road surface; the underground layer includes slope passages provided on both sides of the driveways in four directions, underground passages and an underground circular space; each slope passage is communicated with the non-driveway; underground pedestrian paths are arranged on the side edges of the slope passages, on both sides of the underground passages, and on the side edge of underground circular space; the pedestrian paths on the ground are communicated with the underground pedestrian paths on the side edges of the slope passages; and the pedestrian paths on the side edges of the slop passage are sequentially communicated with the underground pedestrian paths on both sides of the underground passages and on the side edge of the underground circular space. The urban crossroad traffic diverting system provided by the invention has low cost and can greatly improve traffic flow capacity and relieve traffic pressure.