An official website of the United States government
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Comment:
This section documents the relationship between speed and safety, looking at how appropriate street Design Can make our cities safer. We also compare the concepts of Design Speed and target speed.