Search results
Map of highest posted speed limits in the U.S. territories. In the United States, speed limits are set by each state or territory. States have also allowed counties and municipalities to enact typically lower limits. Highway speed limits can range from an urban low of 25 mph (40 km/h) to a rural high of 85 mph (137 km/h).
2 mar 2017 · Basics. FHWA-SA-16-076. Speed limits frame expectations for drivers and other roadway users. Properly set speed limits provide a safe, consistent, and reasonable speed to protect drivers, pedestrians, and bicyclists along the roadway.
State motor vehicle laws specify speed limits on specific categories of streets and highways. For example, a vehicle code might limit speeds to 25 mph (40 km/h) in residential areas, 30 mph (50 km/h) in business districts, and 55 mph (90 km/h) on all other roads.
Appropriate Speed Limits for All Road Users. U.S. Department of Transportation. Federal Highway Administration. FHWA-SA-21-034. App Speed Limits_508.pdf (PDF, 113.49 KB) There is broad consensus among global roadway safety experts that speed control is one of the most important methods for reducing fatalities and serious injuries.
Speed limits in the United States vary depending on jurisdiction. Rural freeway speed limits of 70 to 80 mph (113 to 129 km/h) are common in the Western United States, while such highways are typically posted at 65 or 70 mph (105 or 113 km/h) in the Eastern United States.
15 paź 2014 · This guide discusses the various speed concepts to include designated design speed, operating speed, speed limit, and a new concept of inferred design speed. It explains how they are determined and how they relate to each other.
The highest speed limits are generally 70 mph (113 km/h) on the West Coast and the inland eastern states, 75–80 mph (121–129 km/h) in inland western states, along with Arkansas, Louisiana, Maine, and Michigan; and 65–70 mph (105–113 km/h) on the Eastern Seaboard.
