What is the centerline demarcation for one-way traffic lanes?

1 Answers
ODonovan
07/30/25 9:59am
One-way traffic lane demarcation centerlines are used to separate traffic flows moving in the same direction, typically consisting of white dashed/solid lines or yellow dashed/solid lines. Below is relevant information: 1. Differences: White dashed lines separate same-direction traffic lanes, allowing lane changes or overtaking when safe. White solid lines also separate same-direction lanes but prohibit lane changes. Yellow solid lines separate opposing traffic flows (sometimes same-direction lanes), serving as either boundary lines or centerlines where lane changes are prohibited. Yellow dashed lines can function as either boundary lines or centerlines - when used as boundaries, lane changes are permitted. 2. Road marking distinctions: Two-way two-lane road centerlines (yellow) separate opposing traffic flows while permitting crossing for overtaking or left turns when safe. Lane separation lines (white dashed) divide same-direction traffic flows along lane boundaries, allowing safe lane changes when appropriate.
Was this review help?
3
0
Share
More Forum Discussions

Is it normal for the rear wheels to have a negative camber?

It is normal for the rear wheels to have a negative camber, which is also known as negative camber angle. This design is commonly used in sedans, performance cars, and supercars. You can often see more exaggerated negative camber angles on race cars because the cornering limits of race cars are much higher than those of ordinary cars. At this time, a larger negative camber angle provides better grip in corners. If the negative camber is adjusted to positive, the relative contact area increases, resulting in greater grip and handling during sharp turns. Therefore, many cars, especially those that focus on handling, actually have very noticeable negative camber, which is a design to enhance handling.
6
3
Share

How to Distinguish Between China IV and China V Vehicle Standards?

Methods to distinguish between China IV and China V vehicle standards: 1. Check the vehicle's fuel consumption label; 2. Look at the vehicle's nameplate to find the vehicle model number (a combination of numbers and letters) and the engine model number, then log in to the Motor Vehicle Environmental Protection Website, enter the vehicle model number and engine model number to query. The China IV emission standard is the fourth stage of national standards for motor vehicle pollutant emissions. Vehicle emission pollutants mainly include hydrocarbons, nitrogen oxides, carbon monoxide, particulate matter, etc. Through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, these standards control and reduce vehicle emissions to below specified levels.
18
0
Share

What causes the car air conditioner to have cool air but not cold enough?

Reasons why the car air conditioner has cool air but is not cold enough: 1. Insufficient refrigerant, leading to reduced cooling effect; 2. Excessive impurities in the refrigerant and compressor oil, causing minor blockages and insufficient cooling capacity; 3. A dirty condenser or a loose compressor drive belt can also result in the air conditioner not being cold. The car air conditioning system is designed to cool, heat, ventilate, and purify the air inside the vehicle, providing a comfortable environment for passengers, reducing driver fatigue, and improving driving safety. The proportion of refrigerant in the air conditioning system must meet specific requirements. If the proportion is too high, it can affect heat dissipation, as more heat dissipation leads to greater cooling capacity, while less heat dissipation results in reduced cooling capacity.
12
1
Share

What to Do When the Brake Light of Hyundai Verna Is On?

Solutions for when the brake light of Hyundai Verna is on: 1. If it's due to insufficient brake fluid, which is often accompanied by noticeably reduced braking power, simply replenishing the brake fluid in time will suffice; 2. If the brake switch is damaged, meaning the brake pedal and the brake sensor switch are not properly in contact or the sensor switch is faulty, it requires disassembly for inspection and repair. The Hyundai Verna is a model under Beijing Hyundai, classified as an A0-class compact car with dimensions of 4340mm in length, 1700mm in width, and 1460mm in height, and a wheelbase of 2570mm. The vehicle is equipped with a 1.6L YCVVT engine and comes with either a 5MT or 4AT transmission.
10
3
Share

What to Do When the Sagitar Runs Out of Battery?

Solutions for a Sagitar with a dead battery: The vehicle can only be started by replacing the battery, charging the battery, or jump-starting it with another vehicle. If the battery is not used for a long time, it will gradually discharge on its own until it becomes unusable. Therefore, the car should be started periodically to recharge the battery. The Sagitar is a model under FAW-Volkswagen, with body dimensions of 4544mm in length, 1760mm in width, and 1461mm in height, and a wheelbase of 2578mm. In terms of appearance, the Sagitar's design has moved away from the individuality and sportiness of the older models, adopting a distinctive family-style design. The overall look is elegant and stable, with smooth body lines and finely crafted details.
19
4
Share

How to Connect to Car Screen Projection?

Connect to CarPlay via a USB cable by plugging your phone into the car's USB port. For wireless CarPlay, press and hold the voice command button on the steering wheel. Ensure the stereo system is in wireless or Bluetooth mode. On your phone, tap 'Settings' > 'General' > 'CarPlay', then tap 'Available Cars' and select your vehicle.
10
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.