181. Upon encountering this traffic signal, how should a driver react?
A. Observe the traffic situation and pass at a reduced speed
B. Pass at an increased speed without changing gears
C. Pass before the train comes
D. Crossing the stop line is prohibited
Answer：D
Previous question: 180. When this signal is constantly flashing, how should a driver react?
Next question: 182. Motor vehicles can turn right when driving into an intersection with this traffic signal.
2026年科目四英文版题库共700题，你可以免费查看前200题，完整版题库请添加微信购买：
The English version of the 2026 subject 4 question bank has a total of 700 questions. You can view the top 200 questions for free. Please add WeChat to purchase the complete version of the question bank.
Subject 4 test questions
- Motor vehicle drivers may make a U-turn in this area as long as it will not affect the passing of pedestrians.
- Which one of the following is the safest way when driving a motor vehicle on this road?
- What should the driver pay attention to in this situation?
- When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
- The motor vehicle equipped with ABS may sideslip during an emergency brake.
- Which one of the following is a safe way for motor vehicles to converge into an intersection marked with this sign?
- Which one of the following ways to pass this intersection is correct?
- When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
- Which of the following measures is incorrect when a motor vehicle stops?
- When following a vehicle on the road, the distance from the vehicle in front is not important. As long as the driver goes forward at the same speed as the vehicle in front does, he can avoid a rear-end collision.
- How should lamps be used by the motor vehicle driver who follows a vehicle on a road section where the street light condition is good?
- The sign on the right warns of a winding road to the left ahead.
- What should the driver do if he encounters pedestrians in this situation at an intersection?
- When a motor vehicle equipped with ABS makes an emergency brake, the driver can tread the brake pedal heavily.
- Mr. Qi drove a large bus with 28 passengers (capacity 55 people). When arriving at an intersection without any traffic signals from south to north at a speed of 50 kilometers per hour, the bus had a side collision with Mr. Li¡¯s heavy semi-trailer tractor (capacity 40 tons and carrying 55.2 tons) running from east to west. As a result of this accident, 12 people were killed and 17 injured. What are the main illegal acts in this case?
- Mr. Qian drove a large sleeper coach with 45 passengers (capacity 40 people) at a speed of more than 40 kilometers per hour. On a long slope with sharp curves in Basu County, the coach fell into a 100-meter-deep valley, killing 17 people and injuring 20. What is the main illegal act committed by Mr. Qian?