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Time:2017-03-02Traffic signal communications functions
Traffic signal communications functions, mainly include the following:1, the signal should be compatible with the phone line, broad…
Time:2017-03-02The role of red, green and yellow traffic lights
Command signal has a history of more than 100 years, the past is controlled by the artificial light, now development to automatic c…
Time:2017-03-02Traffic signal lamp holder rigid attached what are the advantages
Suspension of the signal lamp holder can produce moving back and forth, because the wind and cause light lever assembly device with…
Time:2017-03-02Speed bumps classification
Deceleration zone is also called the deceleration ridge, it is a kind of set up in the highway crossing, industrial and mining ente…
Time:2017-03-02The importance of perfecting the urban traffic facilities
The importance of perfecting the urban traffic facilitiesWe often see pedestrians running red lights, guardrail, this kind of behav…
