More than 70% of motorists returning a questionnaire distributed for the study favored the exclusive/permissive signal, while about 17% said the signal reduced delays, and 30% said it created a hazard. Intersections with one or more right-turn-on-red movements seemed especially susceptible to vehicular conflicts. The ratios of accidents involving left-turning vehicles to all accidents at intersections appeared to increase after the E/P signals were installed.
This study was conducted to investigate ways of increasing the legibility of signs with high background brightness. Research was limited to silver, ye...
This study investigated the feasibility of using fiberglass reinforced plastic material as an alternative to aluminum for highway sign panels. An anal...
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