The SPUI, another variant of the compressed diamond interchange, was developed in 1970 to improve traffic capacity and operations while requiring less right-of-way than the diamond interchange. (93) The configuration of a typical SPUI is shown in figure 198.
Freebase(0.00 / 0 votes)Rate this definition: A hurdle is a moveable section of light fence. Traditionally hurdles were made from wattle, but modern hurdles are often made of metal. Hurdles are used for handling livestock, as decorative fencing, for horse racing and in the track and field event of hurdling.
The standard 400m track and the sprint track with 100m and 110m are used for hurdle races. The hurdle positions are marked on the track by lines 100mm x 50mm so that the distances measured from the start to the edge of the line nearest the approaching athlete are in accordance with the table below.