Evaluation of ground mounted diagrammatic entrance ramp approach signs /
prepared by Helmut T. Zwahlen and Thomas Schnell.
|Main Author:||Zwahlen, Helmut T.|
|Related Names:||Schnell, Thomas.|
Athens : Ohio Research Institute for Transportation and the Environment, Human Factors and Ergonomics Laboratory ; 2000.
Traffic signs > Traffic signs / Guide.
City traffic > City traffic / Ohio > City traffic / Ohio / Columbus.
Express highways > Express highways / Ohio > Express highways / Ohio / Columbus.
Traffic signs and signals > Traffic signs and signals / Ohio > Traffic signs and signals / Ohio / Columbus.
Traffic signs and signals > Traffic signs and signals / Research > Traffic signs and signals / Research / Ohio.
Executive summary laid in.
ix, 73 leaves :
|Locate a Print Version:||
Find in a library
|Item Link||Original Source|
|Limited (search only)||Northwestern University|