A signal control method for junction of entrance ramp and main trunk road
A technology for main roads and junctions, applied in the traffic control system of road vehicles, traffic control systems, traffic signal control, etc., to achieve the effects of reducing violent conflicts, easy hardware implementation, and low cost
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[0028] Embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0029] Such as figure 1 As shown in Fig. 1, signal point 1 is set at the confluence of the entrance ramp and the main road, and the main road control line 5 is set 60-80 meters upstream of the main road, and the area between the main road control line 5 and signal point 1 is the main road control Area A: The ramp control line 6 is set 60-80 meters upstream of the ramp, and the area between the ramp control line 6 and the signal point 1 is the ramp control area B. Install the control equipment at the signal point 1, including the main road distance measuring speedometer 9, the ramp distance measuring speedometer 10, the single chip microcomputer 11, the main road signal lamp 12, the ramp signal lamp 13, such as figure 2 shown. In the control process, the main road distance measuring speedometer 9 measures the position and the vehicle speed of the first vehic...
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