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.
1. countable noun. A hurdle is a problem, difficulty, or part of a process that may prevent you from achieving something. Two-thirds of candidates fail at this first hurdle and are packed off home. The weather will be the biggest hurdle so I have to be ready.