Publication No. FHWA-HRT-05-114. Bicycle Lanes. Lesson 15. Lesson Outline. Width standards. Retrofitting lanes on existing streets. Design at intersections and interchanges. Pavement marking and signing. Other design considerations. Practices to avoid. Width Standards.
Typical “Road Diet”
Bike lane symbols
(This picture shows a bicyclist not wearing a helmet.
FHWA strongly recommends that all bicyclists wear helmets.)