Maintenance management of street and highway signs

Maintenance management of street and highway signs

Manylion Llyfryddiaeth
Prif Awdur: Cunard, Richard A.
Awdur Corfforaethol: National Research Council (U.S.). Transportation Research Board
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. Transportation Research Board, National Research Council [1990]
Cyfres:Synthesis of highway practice 157.
Pynciau:
Traffic signs and signals > Maintenance and repair > Management.
Street signs > Maintenance and repair > Management.