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Thinking about the speed limit of Xiaoshan first-class highway Red 15th line, 104 national highway, Tangmei line (east double line) are the three most important first-class highways in Xiaoshan. Red 15th Line Design Speed 100, Speed Limit 100, Intersection 60 104 National Highway Design Speed 100, Speed Limit 90, Intersection 70 Tangmei Line Design Speed 80, Speed Limit 80, Intersection 60 The above is the current speed limit for 3 roads I think the current speed limit is unreasonable. First, the design speed of the Red 15th Line and National Highway 104 is the same as 100, but from the actual driving point of view, National Highway 104 is closer to the highway, there are both overtaking lanes and emergency parking strips, and it also restricts pedestrians, non-motorized vehicles enter (although we can often see them), and the Red 15th Line has no emergency parking zone, only non-motorized lanes, just imagine, when a car is parked on the roadway because of a breakdown, and the car behind rushes at a speed of 100.
But compared with the 104 National Highway, the red fifteenth line also has an advantage, that is, the proportion of large vehicles is less, to sum up, it is recommended to limit the speed of 90, the speed limit of the intersection is 60 Second, the speed limit of the main line of 104 National Highway is 90 is more reasonable, but the speed limit of 70 at the exit of the Yaqian and Bake line is not very reasonable, because it is two large exits, so it is recommended to cancel the speed limit and install signal lights uniformly. Third, the speed limit evolution of the Tangmei line is basically reasonable in the north, and there is almost no level crossing in the south of the evolution, the speed limit of 80 is not too low, it is recommended to 90, although the design speed is exceeded, but the design speed of the Qiandao Lake branch line is also 80, and the current speed limit of 100 is not a good situation. This is one of my suggestions, and I welcome you to discuss and correct them.
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The speed limit for high-speed is generally 110 120 km h; The speed limit of first-class highways, such as national highways and provincial roads, is 80km h; The speed limit on roads on the outskirts of the city is 70 80km h; The speed limit on urban roads is 40 to 60km h. No matter what road, if the speed limit is marked, follow the speed limit sign. Sections of the road without speed limit signs must comply with the speed limit stipulated by laws and regulations.
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A highway is the national highway, is China's second only to the high-grade highway (that is, the highway) of the road, the general lane is narrow, and there are sections through the urban area, the speed limit standards are different, generally 60-80 kilometers per hour, there are also good road conditions have been equivalent to the high-speed! It's 100--120,
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Most of them are 40 kilometers, and there are 60 depending on the local situation.
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Legal analysis: The speed limit standard for national highways is 60-80km h, and the speed limit for reconstructed or widened national highways is generally 80km h, while the speed limit for old national roads is usually 60km h. The speed limit of a specific national or provincial highway is also related to factors such as road conditions and traffic flow.
Legal basis: Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China
Article 45 Motor vehicles shall not exceed the speed indicated by speed limit signs and markings on the road. On roads without speed limit signs or markings, motor vehicles must not exceed the following maximum speeds:
a) 30 km/h for urban roads and 40 km/h for highways without a road centerline;
b) Roads with only one motorway in the same direction, 50 km/h for urban roads and 70 km/h for highways.
Article 46 In case of any of the following circumstances in the driving of a motor vehicle, the maximum driving speed shall not exceed 30 kilometers per hour, of which tractors, battery cars, and wheeled special mechanical vehicles shall not exceed 15 kilometers per hour
1) When entering and exiting non-motorized lanes, passing through railway crossings, sharp bends, narrow roads, and narrow bridges;
2) When making a U-turn, turning, or descending a steep slope;
3) In case of fog, rain, snow, dust, hail, visibility within 50 meters;
4) When driving on ice, snow, or muddy roads;
5) When towing a motor vehicle that has broken down.
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The speed limit for high-speed is generally 110 120 km h; The speed limit of first-class highways, such as national highways and provincial roads, is 80km h; The speed limit on roads on the outskirts of the city is 70 80km h; The speed limit on urban roads is 40 to 60km h. No matter what road, if the speed limit is marked, follow the speed limit sign. Sections of the road without speed limit signs must comply with the speed limit stipulated by laws and regulations.
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The speed limit of first-class highways: 1. For roads without road centerlines, urban roads are 30 kilometers per hour and highways are 40 kilometers per hour;
2. Roads with only one motor lane in the same direction, 50 kilometers per hour for urban roads and 70 kilometers per hour for highways;
3. The highway shall indicate the driving speed of the lane, and the maximum speed shall not exceed 120 kilometers per hour, and the minimum speed shall not be less than 60 kilometers per hour;
4. The maximum speed of small passenger cars driving on the highway shall not exceed 120 kilometers per hour, other motor vehicles shall not exceed 100 kilometers per hour, and motorcycles shall not exceed 80 kilometers per hour;
5. If there are 2 lanes in the same direction, the minimum speed of the left lane is 100 kilometers per hour; If there are more than three lanes in the same direction, the minimum speed is 110 km/h in the leftmost lane and 90 km/h in the middle lane. If the speed indicated by the road speed limit sign is inconsistent with the speed of the above-mentioned lane, the speed indicated by the road speed limit sign shall be followed;
6. Article 39 of the Measures of the Road Traffic Safety Law of the People's Republic of China stipulates that motor vehicles shall not exceed the speed indicated by speed limit signs and markings on the road; Roads with two or more motor lanes in the same direction, without speed limit signs and markings, have a maximum speed of 70 kilometers per hour on urban roads and 80 kilometers per hour on closed motorized roads and highways.
Millions of car purchase subsidies.
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Speed limit on first-class highways:
1. For roads without road centerlines, the urban slippery road is 30 kilometers per hour, and the highway is 40 kilometers per hour;
2. Roads with only one motor lane in the same direction, 50 kilometers per hour for urban roads and 70 kilometers per hour for highways;
3. The highway shall indicate the driving speed of the lane, the maximum speed shall not exceed 120 kilometers per hour, and the minimum speed shall not be less than 60 kilometers per hour;
4. The maximum speed of small passenger cars driving on highways shall not exceed 120 kilometers per hour, other motor vehicles shall not exceed 100 kilometers per hour, and motorcycles shall not exceed 80 kilometers per hour;
5. If there are 2 lanes in the same direction, the minimum speed of the left lane is 100 kilometers per hour; If there are more than 3 lanes in the same direction, the minimum speed of the leftmost lane is 110 kilometers per hour, and the minimum speed of the middle lane is 90 kilometers per hour. If the speed indicated by the road speed limit sign is inconsistent with the speed of the above-mentioned lane, the speed indicated by the road speed limit sign shall be followed;
6. Article 39 of the Measures of the Road Traffic Safety Law of the People's Republic of China stipulates that motor vehicles shall not exceed the speed indicated by speed limit signs and markings on the road; For roads with two or more motor lanes in the same direction, and there are no speed limit signs and markings, the maximum speed of urban roads is 70 kilometers per hour, and the maximum speed of closed motor vehicles roads and highways is 80 kilometers per hour.
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Final Thoughts 9.95 seconds Jim Haynes (USA) 14 January 1968 Mexico 9.93 seconds Calvin Smith (USA) July 3, 1983 Colorado, USA 9.92 seconds Carl Lewis (USA) September 24, 1988 Seoul, South Korea 9.90 seconds Leroy Burrell (USA) June 14, 1991 New York, USA 9.86 Carl Lewis (USA) August 25, 1991 Tokyo, Japan 9.85 seconds Leroy Burrell (USA) July 6, 1994 Lausanne, Switzerland 9.84 seconds Donovan Bailey, Canada) July 27, 1996 Atlanta, USA 9.79 seconds Maurice Green, USA) June 16, 1999 Athens, Greece 9.78 seconds Chim Montgomery (USA) September 14, 2002 Paris, France 9.77 seconds Asafa Powell (Jamaica) June 14, 2005 Athens, Greece From a biological point of view, it is impossible for a human to reach a limit speed of more than 9 seconds in 100 meters. It has to do with physiology.