Guide specifications for motorist aid systems
Subtitle: approved by the AASHTO Executive Committee on June 25, 1974
By: prepared by the AASHTO Sub-Committee on Communications and Electronics.
Contributors: American Association of State Highway and Transportation Officials. Subcommittee on Communications and Electronics.
Publisher: American Association of State Highway and Transportation Officials
Published: 1974
Place of publication: Washington
Language: eng
Subjects: Motor vehicles -- Automatic location systems.