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
- How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
- Under such circumstances, the motor vehicle is allowed to overtake.
- What is the meaning of the sign on the right?
- Which one of the following is the safest way when driving a motor vehicle on this road?
- 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?
- When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
- Which one of the following statements is the safest measure for a motor vehicle driver to take on this kind of road?
- Motor vehicles are not permitted to change lanes in this position.
- The sign on the right side warns of a sharp right turn ahead.
- Motor vehicles should stop and wait when encountering two red lights flashing alternately at level crossings.
- Mr. Yang drove an adapted minibus (capacity 9 people and carrying 64 passengers, including 62 kindergarten pupils). When driving in Ma Caogou Village of Yu Linzi County, the bus used the lane for oncoming traffic and had a head-on colision with a heavy dump truck. As a result of this accident, 22 people were killed and 44 injured. What are the main illegal acts in this case?
- 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?
- Having driven his truck at 90km/hour on an urban road without road lamps, Mr. Zhou is passing a narrow road using the high-beam and cutting off the way of an oncoming passenger car that runs into the right guardrail as a consequence. Which of the following law-breaking acts did Mr. Zhou commit?
- What is the meaning of the sign on the right?
- What should the driver do if he encounters pedestrians in this situation at an intersection?
- The driver should yield to other non-motor vehicles when the motor vehicle turns right at this Intersection.