| 摘要 |
<p>A road freeway system for carrying vehicles is described which includes at least three carriageways, each carriageway including at least one lane for carrying vehicles thereon, wherein at least one carriageway is configured as a tidal flow carriageway which is adapted to carry vehicles in one direction at selected times and carry vehicles in an opposite direction at other selected times. In some preferred embodiments each carriageway is an underground tunnel. Vehicle control devices for diverting vehicles from one lane to another lane are also provided in preferred embodiments, in some arrangements being provided on exit and entry ramps. Methods of use of the carriageways are also described.</p> |
