Research and experience has shown that retiming traffic signals is one of the most cost- effective tasks that an agency can do to improve traffic flow. Traffic flow improvements of up to 26 percent have been reported1. In spite of this potential, many Traffic Engineers simply do not have the budgetary resources to conduct a signal retiming program using the conventional methods.

Have you ever wondered how decisions are made about transportation projects that affect your life? How do government officials decide where to put a bus stop, road, or bridge? How are these and other transportation projects planned? And how can you make sure your opinions are heard and considered by the planners, road designers, elected officials, and other citizens? The Federal Highway Administration (FHWA) and Federal Transit Administration (FTA) wrote this guide to give you the answers to these and other transportation-related questions. We hope this guide will help you understand how...

This guide is intended to assist residents, parents, community association members, and others in getting involved in making communities safer for pedestrians and bicyclists. The guide includes facts, ideas, and resources to help residents learn about traffic problems that affect pedestrians and bicyclists and to find ways to help address these problems and promote safety among all road users. The guide includes information on identifying problems, taking action to address pedestrian and bicycle concerns, finding solutions to improve safety, and resources to get additional information.