What is the function of the spotlights on the highway gantry?

1 Answers
DiGabriela
07/30/25 8:35am
Spotlights on highway gantries serve to capture speeding, illegal use of emergency lanes, monitor accident-prone areas, detect various violations near ramps, and conduct traffic flow monitoring. Below are specific details about highway gantries: 1. Toll Calculation: When a vehicle passes through, the toll system on the gantry calculates the fee based on the pre-set distance between gantries. For example, if the distance between the first and second gantry is 20 kilometers, the system will automatically charge the driver for 20 kilometers of highway toll when passing the second gantry. 2. Violation Detection: These gantry devices are managed by traffic police departments. Currently, highway gantries are equipped with speed detection and traffic violation capture functions.
Was this review help?
1
5
Share
More Forum Discussions

What type of engine oil is best for Toyota Camry?

Toyota Camry is suitable for using Toyota Genuine Engine Oil. Commonly available grades like 0W40, 5W30, and 5W40 have strong applicability. Engine oil is a crucial factor affecting engine performance and lifespan. High-quality oil not only lubricates but also cleans, seals, cushions, and dissipates heat within the engine. When selecting engine oil, it's essential to choose the right grade for your engine model. The oil viscosity shouldn't be too high or too low. If viscosity is too low, the oil can't form a stable oil film during engine operation, accelerating engine wear. If viscosity is too high, it increases resistance during operation, leading to reduced engine power and higher fuel consumption. Additionally, oil performance degrades over time, so vehicle owners must change the oil regularly.
19
5
Share

Should You Replace One or Both Rear Wheel Bearings When One Fails?

When a rear wheel bearing fails, replacing just the one is sufficient. Below are specific details regarding rear wheel bearings: Regular Inspection: To maximize safety and reliability, regardless of the vehicle's age, it's essential to frequently inspect the rear wheel bearings. Watch for early warning signs of wear, such as any friction noise during rotation or abnormal deceleration of the suspension assembly during turns. For rear-wheel-drive vehicles, it's recommended to lubricate the rear wheel bearings at 38,000 kilometers. When replacing the brake system, inspect the bearings and replace the oil seals. Noise Handling: If you hear noise coming from the bearing area, first identify the source of the noise. There are many moving parts that could potentially generate noise, or it might be due to contact between rotating and non-rotating components. If the noise is confirmed to be from the bearing, it may be damaged and require replacement.
15
5
Share

Is the 1.5T SUV's power sufficient for climbing hills?

1.5T SUVs may feel underpowered when climbing hills. Here are some related details about engine displacement: 1. Hill climbing: For frequent hill climbing, larger displacement or models above 2.0T are better. For regular roads, even a 1.3T model is sufficient, let alone a 1.5T SUV. So, it's not that 1.5T models are inadequate for hill climbing, but rather it depends on the type of hill. 2. Difference between 1.5T CVT and 1.5L CVT: Both use CVT continuously variable transmissions and have a 1.5 engine displacement, but the engine's intake methods differ, leading to variations in output power. The 1.5T employs a turbocharged engine, while the 1.5L uses a naturally aspirated engine.
18
2
Share

How to Perfectly Solve the Shaking Issue in the 7th Generation Honda Accord?

In most cases, the shaking phenomenon in the 7th generation Honda Accord is caused by poor combustion within the cylinders. The reasons and solutions for the Accord's shaking are as follows: 1. Steering Wheel Shaking: A car wheel is composed of a tire and a rim forming an integral unit. However, due to manufacturing reasons, the mass distribution of various parts of this unit cannot be perfectly uniform. When the car wheel rotates at high speed, it creates a dynamic imbalance, resulting in wheel shaking during driving. Solution: Adjust the dynamic balance. 2. Idle Shaking: The engine idle speed is preset in the ECU. When the RPM drops below a certain threshold, the car's computer automatically adjusts it. If the idle speed is too low and causes shaking, it indicates that it has exceeded the ECU's control range. Solution: Replace the thermostat.
20
4
Share

How to Upgrade the Car Central Control Screen?

For some higher-end models, the navigation system is fundamentally deeply integrated with the vehicle's onboard system. Generally, there are no universal or simple upgrade programs available, so you can only contact a 4S dealership for professional upgrades. Deep OEM Integration: For some higher-end models, the navigation system is fundamentally deeply integrated with the vehicle's onboard system. Typically, no universal or simple upgrade programs are provided, so you must contact a 4S dealership for professional upgrades. Of course, many upgrade programs are available online, but it's difficult for the average car owner to complete the upgrade independently. Standard OEM Integration: These navigation systems usually integrate third-party systems like KLD, DDT, or Mapbar, which often run on Windows CE. The navigation data is typically stored on a TF card, and upgrades can generally be performed using the manufacturer's dedicated upgrade program. Of course, there are many cracked map versions available online, but they require some DIY skills.
7
2
Share

What is the correct procedure for parking an automatic transmission car?

Correct procedure for parking an automatic transmission car: 1. Apply the brake to slow down to a complete stop; 2. After coming to a full stop, shift to N (Neutral) gear; 3. Engage the parking brake; 4. Release the foot brake and ensure the vehicle is stationary; 5. Press the foot brake again, shift to P (Park) gear, and turn off the engine. It's recommended to refer to your vehicle's owner's manual for specific correct procedures. Common automatic transmission gears include P (Park), N (Neutral), R (Reverse), D (Drive), L (Low), S (Sport), and M (Manual) gears. Among these, P is for parking, N is neutral, R is reverse, D is drive, L is low gear (also called hill climbing gear), S is sport mode, and M is manual mode.
2
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.