Design guidelines provide a background on multi-modal transportation issues and define current best practices for bicycle and pedestrian facility design. Design guidelines should be consulted when planning new facilities, reconstructing or modifying existing facilities, and updating city and design standards. A good guide provides a toolbox to make streets safer, more livable and economically vibrant.
There are a number of resources and standards that are exceptionally helpful in providing design guidelines for bicycle and pedestrian facilities:
Urban Bikeway Design Guide, NACTO – brings to together many of the best practices developed in cities around the US; though not necessarily obvious, many of the guidelines are in compliance with AASHTO guidelines and MUTCD standards