Traffic signals; 5 reports,
by
 
National Research Council (U.S.). Highway Research Board.

Title
: 
Traffic signals; 5 reports,

Author
: 
National Research Council (U.S.). Highway Research Board.

ISBN
: 
9780309021760

Publication Information
: 
Washington, Highway Research Board, National Research Council, 1973.

Physical Description
: 
iv, 47 p. illus. 25 cm.

Series
: 
Highway research record no. 445

Series Title
: 
Highway research record no. 445

Subject Term
: 
Traffic signs and signals.
 
Electronic traffic controls.

Added Corporate Author
: 
National Research Council (U.S.). Highway Research Board.


LibraryMaterial TypeItem BarcodeShelf NumberStatus
Civil EngineeringBookB022152HE370 .H5 NO. 445Transportation Collection