1) The hotel also offers a three-lane bowling alley with a bar.

2) Xue three-lane county and township road transit.

3) Two three-lane roads will be carved through countryside.

4) The existing three-lane system is the smart remote control switches wiring, switches and the need to live, zero line, light line can work.

5) The upper level will accommodate a three-lane roadway; the lower level will provide space for service and safety installations.

6) With development of high grade highway in China, the three-lane highway tunnel with large cross section will be an important component for high grade highway.

7) Strictly speaking, the current codes can only guide design and construction of the tunnel under three-lane tunnel project. The super-span tunnel is still at initial stage.

8) In this paper, by the model test, authors study some design of support structure system with three-lane road tunnel of small-scale and high-span.