Pavement Markings--Design and Typical Layout Details (2006) / Chapter Skim
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Appendix N - Lane Reductions
Appendix N - Lane Reductions
Pages 114-116
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From page 114... ...
Two lane-reduction arrows, each with a MERGE pavement message placed just below the bottom of the arrow, are used with the top of the arrows positioned as follows: just before the end of the full-width lane where a painted taper begins (the actual pavement taper begins 120 to 910 ft further downstream based on the speed and lateral offset) , and at the point where the broken lane line terminates.
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From page 115... ...
NORTH CAROLINA The broken lane line ends at 0.75D from the end of the fullwidth lane. (D is the advance placement distance in feet for warning signs based on the posted or 85th percentile speed and ranges from 175 ft for 20 mph to 850 ft for 65 mph.
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From page 116... ...
(D is the advance placement distance in feet for warning signs using Condition A in Table 2C-4 of MUTCD.) Three lane-reduction arrows are used with the center of the arrow nearest to the end of the lane placed D from the end of the full-width lane.
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