Grand Prairie being a busy street with many people, specific measures have been put in place to ensure the safety of the people is achieved. In most cases, reckless driving or over speeding is considered one of the leading causes of accidents and inconveniences witnessed on the roads. The city has speed limits that you are required to follow. In the old bypass, the speed limit is 37 mph same as 108 street avenue. However, for some high-traffic areas in the city, the speed limit drops to 6 mph, which you must follow while driving. Search rental cars on KAYAK