Directional sign system employed consists of reflectorized advance warning signs, large size exterior illuminated sign positioned near beginning of decelerating lane and reflectorized sign placed near nose of off ramp island; where space permits, 1/4-mi advance signs are preceded by additional lane direction sign.
Illuminated signs for freeways in Los Angeles area
Traffic Eng
Traffic Engineering ; 21 , n 4
1951
3 pages
Article (Journal)
English
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