Q:How do vehicles travel when the traffic lights are yellow?

when the yellow light is on, the vehicle that has crossed the stop line can continue to pass.

Q:What's the point of a traffic light?

Later, the parliament building in London before the carriage rolled frequent accidents, so people inspired by the red and green installed

Q:Traffic signal cornering rules

A motor vehicle shall pass in accordance with the following rules through an intersection controlled by traffic lights:

Q:Is the traffic indicator connected in series or in parallel?

C the red light is connected in parallel with the green light after the yellow light is connected. The D green light is connected in parallel with the yellow light and then connected with the red light in series

Q:Driving a motor vehicle in violation of road traffic lights, how the provisions of the new rules?

driving medium-sized passenger vehicles, dangerous goods transport vehicles outside the city expressway, expressway road, driving or driving driving other motor vehicle runs more than 20% did not reach 50%.

Q:Violation of traffic signal regulations

if the vehicle is not according to the provisions of the traffic lights traffic will be deducted 6 points.

Q:What are the main functions of traffic signal management system?

remote monitoring and control of traffic signal machine's working condition and operating mode, the user can understand the homes and control of traffic conditions,

Q:What do you think of traffic lights?

Now there is the arrow and round lights mixed light control, usually in three directions, different time release, turn left and straight, with the arrow as the first, as long as the green arrow is not bright, you can not go

Q:The working principle of traffic lights

Zero input is synchronous active low, low level is valid only the synchronous parallel control terminal, ASM map number control terminal of traffic lights, CO is the carry output, D0 ~ D3 is the parallel data input, Q0 ~ Q 3 is the data output end.

Q:When the traffic police command, hand signals and signal instructions are not the same, according to what to pass

shall pass according to the traffic police command; road without any traffic signal, shall pass in the principle of guaranteeing the safety and smooth.