Motorway signals and telephones : Frequency of use, public attitudes and experience /
The interface between the national motorway communication system and motorway drivers consists of the motorway signals and the emergency telephones. Although changes have been made to the system, both the signals and the telephones have remained, from the drivers points of view, essentially unchange...
| Main Authors: | , |
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| Format: | text |
| Language: | eng |
| Published: |
Crowthorne, Berkshire : TRRL,
1987
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