Systemau darganfod cerbydau a dulliau eu gosod = Vehicle detection systems and installation methods
By: WS Atkins Consultants Limited.
Contributors: WS Atkins Consultants.; Great Britain. Welsh Office. Highways Directorate.
Publisher: Highways Directorate, Welsh Office
Published: 1991
Place of publication: Cardiff, Wales, Great Britain
Language: eng
Number of pages: 217
Subjects: Electronic traffic controls.; Traffic flow -- Wales -- Remote sensing -- Equipment and supplies.; Electric apparatus and appliances -- Installation -- Wales.
Other titles: Vehicle detection systems and installation methods.
Notes: Includes bibliographical references (p. 217).