Before-and-after study was performed on ramp ending with stop sign and at ramp's intersection with one-way roadway; speeds and lags for day and night conditions were measured before and after ramp was paved red; four pneumatic tubes were placed on ramp at various distances from stop line; ramp traffic was registered on 20-pen recorder; speeds were computed using difference in time and distances between tubes; average speeds were determined for points 100, 200, and 318 ft from stop line.
Red colored pavement
Nat Research Council -- Highway Research Board -- Research Rec
1968
8 pages
Article (Journal)
English
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Colored pavement for traffic guidance
Engineering Index Backfile | 1968
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Engineering Index Backfile | 1967