在高速公路上正常驾驶时，始终使用右车道。

Always use the right ___lane for normal driving on highways.

城市新增了一条专用自行车道，以提高骑自行车者的安全。

The city has added a dedicated bike ___lane to improve safety for cyclists.

大多数公交车在额外车道上运行，以避开交通拥堵。

Most buses operate in an extra ___lane to avoid traffic congestion.