What does a 2-plus-1 road have?
- Two lanes for cars and one lane for trucks and buses.
- Barriers between the hard shoulder and the verge.
- Correct answerTwo lanes of traffic in one direction and one in the opposite direction.
- Barriers between lanes of traffic going in the same direction.
Explanation
A 2-plus-1 road consists of two lanes in one direction of travel and one lane in the other direction. The two-lane section allows for safe overtaking and alternates with a one-lane section roughly every 2 kilometres.
Read in Chinese
2+1 公路有什么特点？
- 两条车道供小汽车使用，一条车道供卡车和公交车使用。
- 硬路肩和路边之间的隔离设施。
- 同一方向两车道，反方向一车道。
- 同向车道之间的隔离栏。
2+1道路由一个方向的两条车道和另一个方向的一条车道组成。双车道部分允许安全超车，并大约每2公里与单车道部分交替出现。
