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5364 documents found.

Evaluation of diagrammatic guide signs. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972.

Published: | Gordon, D.A.

Evaluation of diagrammatic signing at capital beltway exit No. 1. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972.

Published: | Hanscom, F.R.

In-vehicle driver aid at traffic signals. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972.

Published: | Bleyl, R.L.

Motorist information systems.

Published: | -

Proceedings of the Symposium on the Quality Control of Road works, Aix- en- Provence, November, 2-4, 1970.

Published: | -

Recognition of traffic control signs. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972.

Published: | Dewar, R.E. & Swanson, H.A.

Two-wire emergency call system. Final report.

Published: | Reilly, E.F. Hollinger, R.L. & Santacroce, J.

Analysis and design procedures for the Pennsylvania highway lighting needs study. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972.

Published: | Herendeen, J.H.

Comparison of accidents and illumination. Paper presented at the 51st Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1972..

Published: | Box, P.C.

Damages due to drainage, runoff, blasting, and slides.

Published: | Lewis, H. McDaniel, A.H. Peters, R.B. [et al.[