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 saddle. 1  1a (1) : a girthed usually padded and leather-covered seat for the rider of an animal (as a horse) (2) : a part of a driving harness comparable to a saddle that is used to keep the breeching in placeb : a seat to be straddled by the rider of a vehicle (as a bicycle) 2 : a device mounted as a support and often shaped to fit the object held.