How can road designers get drivers to slow down at approaches to roundabouts? A quick reference guide from the LRRB identifies treatments for a range of settings. For each treatment, the guide looks at design considerations, benefits, where to use it, and effectiveness. Geometric design principles are the most common method, and traffic control devices—specifically, signing and markings—play a vital role.
Learn more:
- Strategies for Effective Roundabout Speed Reduction (LRRB, 2022)