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.
Definition of obstacle course for English Language Learners. : a series of objects that people or animals in a race have to jump or climb over, go around, go under, etc. : a training area for soldiers that is filled with objects (such as hurdles, ditches, walls, etc.) that the soldiers have to jump or climb over, go around, go under, etc.