Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 781 — RAISED REFLECTIVE PAVEMENT MARKERS
Illinois Standard Specifications for Road and Bridge Construction, Section 781. Full text, cross-references and related pay items on BuildSpec.
Raised Reflective Pavement Markers Art. 781.03 661 Size 6 7 8 9 0 6 ft 3.5 2.2 3.8 3.5 3.4 (1.8 m) (0.33) (0.20) (0.35) (0.33) (0.31) 8 ft 6.2 3.8 6.7 6.2 6.0 (2.4 m) (0.58) (0.35) (0.62) (0.58) (0.56) SYMBOLS Symbol Large Size sq ft (sq m) Small Size sq ft (sq m) Through Arrow 11.5 (1.07) 6.5 (0.60) Left or Right Arrow 15.6 (1.47) 8.8 (0.82) 2 Arrow Combination Left (or Right) and Through 26.0 (2.42) 14.7 (1.37) 3 Arrow Combination Left, Right, and Through 38.4 (3.56) 20.9 (1.94) Lane Drop Arrow 41.5 (3.86) -- Wrong Way Arrow 24.3 (2.26) -- Railroad "R" 6 ft (1.8 m) 3.6 (0.33) -- Railroad…
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