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Lowest Speed Limit Sign
Jun 12, 2014

status quo:

 The setting of China's speed limit sign mainly adopts the general road section with the speed limit of the road section and the road alignment, and determines the speed limit value according to the running speed. The other road sections are set according to the traffic traffic conditions or according to the road traffic accidents Set. The setting of speed limit sign mainly has the problem of speed limit value and speed limit position:

traffic stop sign.jpg

Traffic signs

Traffic signs

(1) The problem of speed limit value: If the whole highway is under design speed, single speed limit and speed limit too low, it can not meet the actual situation and the speed of safe operation, resulting in the decrease of traffic efficiency and waste of resources.

(2) The speed limit signs of special sections: the speed limits of up and down slopes, the speed limit of road sections to increase the traffic flow, and the speed limits of multi-bend roads do not set different speed limit signs.

(3) There are no scientific and rational theoretical analysis of the speed limit setting of road sections with multiple accidents: the speed limit and the speed limit distance, and where to start the speed limit and where to lift the speed limit, and some only set "accident-prone road sections, Slow down "sign only.

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Laws and regulations

According to the "Road Traffic Safety Law Enforcement Regulations" (hereinafter referred to as "Regulations") the provisions of Article 78, the highway

Road Traffic Safety Law Enforcement Ordinance

Road Traffic Safety Law Enforcement Ordinance

The driving speed of the lane shall be indicated. The maximum speed shall not be higher than 120 kilometers per hour and the minimum speed shall not be lower than 60 kilometers per hour. In the same direction with two lanes, the minimum speed of the left lane is 100 kilometers per hour.

According to Article 78 of the Regulations, the minimum speed of a highway shall not be less than 60 kilometers per hour. In the same direction with more than 3 lanes, the minimum speed of the left-most lane is 110 kilometers per hour and the minimum speed of the middle lane is 90 kilometers per hour.

According to Article 78 of the "Regulations", if the speed indicated on the road speed limit sign is inconsistent with the speed limit of the above lane, the vehicle shall be driven at the speed indicated by the road speed limit sign. If the road is in good condition here, to increase traffic efficiency, the traffic control department will set a minimum speed of 90 kilometers per hour, which is understandable. However, it is not contrary to the law to protect drivers who want to drive at speeds below 90 kilometers per hour. If the traffic control department according to the signs of the section to punish drivers, seems to be "fined" suspicion.



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The Shaanxi Yiyuan Traffic Technology Engineering Co.Ltd. 


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  • Shaanxi Yiyuan Traffic Technology Engineering Co.,Ltd

    Tel: +86-29-88270591

    E-mail: sxyyjt@sx-yyjt.com

    QQ: 1829090767

    Zip: 710065

    Address: No.5, Production Road, West Thermal Power Plant, West Section Of Hongguang Road, Weiyang District, Xi'an, Shaanxi, China

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