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What is the standard width of urban road lanes?

1 Answers
NathanLynn
07/30/25 1:22am
Urban road lanes have a standard width of 3 meters. Below are the relevant details: 1. Non-motorized vehicle lanes: Non-motorized vehicle lanes refer to the lanes on highways or urban roads, extending from the right-hand sidewalk curb (line) to the first vehicle lane division line, or lanes marked on sidewalks. Except under special circumstances, these lanes are exclusively for non-motorized vehicles. 2. Motor vehicle lanes: For motor vehicle lanes, multi-lane highways of grade three and above have each lane width between 3.5 to 3.75 meters. Generally, roads between towns do not have sidewalks, while sidewalks on urban arterial roads are calculated based on actual pedestrian flow.
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Should You Turn on AC When Using Air Conditioning in Cold Weather?

You don't need to turn on AC when using air conditioning in cold weather. Here are specific details about the car air conditioning AC button: 1. Principle of not using AC in winter: When using car air conditioning in summer, you must press the AC button to activate the cooling function. However, the heating system simply utilizes the car's internal heat circulation and doesn't require activating the air conditioning compressor at all. Therefore, you only need to adjust the air conditioning controls for heating without turning on the AC switch. 2. Function of the AC button: The AC button controls the air conditioning compressor, which has little use in winter except when you need to defog the car windows. Most of the time, you'll just be using the heating function.
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What is the function of the Toyota transmission overflow tube?

Toyota transmission overflow tube is a device designed to maintain a certain fluid level and quickly discharge excess liquid. The cross-section of the overflow tube opening must be sufficient to allow rapid overflow discharge when the fluid level exceeds, so there are certain requirements for the tube diameter. Using a tube diameter that does not meet the requirements may lead to serious consequences. Here is more information about the transmission: 1. Definition of transmission: The transmission, also known as the gearbox, is an automotive component used to change the speed and torque from the engine, and can fix or change the transmission ratio of the output shaft and input shaft in steps. 2. Structure and classification of transmission: The transmission consists of a gear transmission mechanism and a control mechanism. It can be divided into stepped, continuously variable, and integrated transmissions, with functions such as achieving reverse driving, interrupting power transmission, and changing the transmission ratio.
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What are the hidden features of the eighth-generation Accord?

The hidden features of the eighth-generation Accord include: 1. Automatic folding of side mirrors after locking the car, which prevents scratches from other vehicles or pedestrians, making it very convenient; 2. Automatic door locking when the speed exceeds 20 km/h, preventing passengers from opening the doors while driving and thus avoiding safety hazards; 3. Automatic downward tilting of the side mirrors when reversing, helping the driver see the position of the rear wheels for better parking. Relevant information about the eighth-generation Accord is as follows: 1. Body dimensions: The eighth-generation Accord is a mid-size car with dimensions of 4945mm in length, 1845mm in width, and 1480mm in height, with a wheelbase of 2800mm. 2. Fuel tank capacity: The fuel tank capacity is 70 liters, and the curb weight is 1430kg.
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Difference Between Metallic Paint and Regular Paint for Cars

Metallic paint and regular paint have significant differences. There are many types and brands of paint on the market, such as metallic paint, regular paint, and pearl paint, among which regular paint is one of the most widely used paint types. Below is an introduction to metallic paint and regular paint: 1. Metallic paint is a type of paint that contains metal powder additives, commonly used in automotive painting. The addition of metal powder gives the car a shiny, golden appearance when sprayed on the surface, making it look more luxurious and high-end. 2. Regular paint is a very common type of automotive paint with no additives. In terms of wear resistance, brightness, and durability, it is not as good as metallic paint. 3. Color difference. Regular paint tends to fade significantly after application, whereas metallic paint maintains its pure color and does not fade. 4. Paint surface difference. Metallic paint has a hard surface that is resistant to wear and scratches, while regular paint lacks these properties.
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How are sedan classes divided?

Sedan classes are generally divided into four levels: A, B, C, and D. There are significant differences in wheelbase and engine displacement among sedans of different classes. Below is an introduction to the wheelbase and engine displacement of each class: 1. Class A: The engine displacement of sedans in this class is generally less than 1L; their wheelbase ranges between 2000-2200mm. Vehicles in this class are typically lower-end models. 2. Class B: The engine displacement of sedans in this class is generally 1.6-2.4L; their wheelbase ranges between 2450-2600mm. Vehicles in this class are typically ordinary family cars. 3. Class C: The engine displacement of sedans in this class is generally 2.3-3.0L; their wheelbase ranges between 2600-2800mm. Vehicles in this class are typically mid-range models. 4. Class D: The engine displacement of sedans in this class is generally 3.0L or above; their wheelbase is over 2800mm. Vehicles in this class are typically higher-end models.
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Should Transmission Fluid Be Changed During the First Maintenance?

The first maintenance does not require changing the transmission fluid. Below is an introduction about changing transmission fluid during the first maintenance: 1. Generally, it is recommended to change the transmission fluid every 60,000 kilometers. Transmission fluid is a lubricant that keeps the gear system clean, ensuring the normal operation of the transmission and extending the lifespan of the transmission components. 2. Most transmission fluids can be used in automatic transmissions available on the market. In fact, each automatic transmission design has different technical requirements. Even the same model of transmission configured in different vehicle models will have differences in torque, weight, speed, structure, etc. Therefore, the original manufacturer specifies its own dedicated transmission fluid. Different transmission fluids are one of the factors affecting gear shift quality. 3. The fundamental difference lies in their friction systems. HFM-ATF has finer oil molecules and efficient anti-shear capability. In a semi-clutch state or at the moment of engagement, the oil film acting on the surface of the friction material can create a highly effective suspended state, causing slippage to buffer the instant powerful impact, making the engagement smoother and gear shifts more seamless. At the same time, the fine oil molecules significantly reduce valve sticking, making the valve body work more smoothly.
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