The Pedestrian and Bicycle Information Center has compiled and released a database with information on laws from all 50 states related to the requirement for motorists to stop or to yield to pedestrians in crosswalks.  The database is available as an Excel spreadsheet and includes the language found in each state's law, the law's current validity, the date the statute was last amended, and the law's stop or yield requirements.  The database is based on information originally compiled by America Walks.