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 are allowed to make a U-turn at this intersection.
- When passing an intersection, vehicle motor drivers are not allowed to overtake.
- When driving in a residential area, the driver should not exceed the speed indicated by the speed limit sign.
- What should be done by drivers in order to safely pass through the curve in this condition?
- Which one of the following vehicle types is not allowed to pass, as indicated by the right-hand sign?
- At 3: 40 a.m. one day, Mr. Sun drove a large bus with 54 passengers(capacity 55 people). At the spot of 229 kilometers mark by 300 meters on Suiyue Expressway, the bus had a rear-end collision with a heavy semi-trailer driven by Mr. Li when passengers were getting off from the bus. As a result of the accident, 26 people were killed and 29 injured. According to the investigation afterwards, Mr. Li had been driving the bus since he left the place of departure at 6 p.m. the day before without any rest. What are the main illegal acts of the two drivers?
- Upon encountering this traffic signal, how should a driver react?
- A motor vehicle should slow down and stop at this level crossing.
- How many kinds of law-breaking acts are displayed in flash 5?
- As shown in this flash, what should the motor vehicle driver do when encounters this situation?
- Motor vehicle drivers may reverse at an intersection.
- Mr. Tang drove a large bus with 74 passengers (capacity 30 people). When descending a long curving slope at a speed of 38 kilometers per hour, the bus overturned to a brook beside the road. As a result of the accident, 17 people were killed and 57 people injured. What is the main illegal act committed by Mr. Tang?
- The sign on the right warns of a winding road to the left ahead.
- What should be done to keep safe when a motor vehicle driver is overtaking in this condition?
- When reversing in this condition, in which of the following ways can motor vehicle drivers keep safe?
- What should the driver do when the motor vehicle encounters this situation in a residential area?