Urban intersection improvements for pedestrian safety. / 
H. Douglas Robertson 
 - 	[Washington, DC] :  U.S. Gov. Print. Off.,  1977. 
 - v.:  ill., Diagrams. ;  28 cm. 
<br/><br/> Library has vol. 4 
<br/><br/>v.4.-. Pedestrian signal displays and operation.-.1v.(various pagings) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pedestrian facilities design<br/>Traffic safety.
<br/><br/><label>Dewey Class. No.: </label>711.74