The transition point between a 2 line and 3 line system may be a controlled intersection, railroad crossing, or the leading edge of a bridge deck.Ī striping vehicle from the 1930s. On those routes that are receiving a 2 line system on only part of the route, the break between the 2 line and 3 line systems shall be at an appropriate transition point. Those routes that currently are marked using a 3 line system, for centerline markings shall be maintained using the same system until such time as the line is obliterated. Centerline marking combinations may be accomplished using a 2 line or 3 line system. See Widths and Patterns of Longitudinal Pavement Markings for line patterns. 620.2.2.0.2, Examples of Four-Lane Undivided, Two-Way Marking Applications. The centerline markings on undivided two-way roadways with four or more lanes for moving motor vehicle traffic shall be the two-direction no-passing zone markings consisting of a solid double yellow line separated by 4 in. Two-direction no-passing zone markings consisting of two normal solid yellow lines where crossing the centerline markings for passing is prohibited for traffic traveling in either direction.Ī single solid yellow line shall not be used as a centerline marking on a two-lane roadway. One-direction no-passing zone markings consisting of a double yellow line, one of which is a normal broken yellow line and the other is a normal solid yellow line where crossing the centerline markings for passing with care is permitted for the traffic traveling adjacent to the broken line, but is prohibited for traffic traveling adjacent to the solid line or C. Two-direction passing zone markings consisting of a normal broken yellow line where crossing the centerline markings for passing with care is permitted for traffic traveling in either direction B. 620.2.2.0.1, Examples of Two-Lane, Two-Way Marking Applications:Ī. The centerline markings on two-lane, two-way roadways shall be one of the following as shown in Fig. Centerline pavement markings may be placed at a location that is not the geometric center of the roadway. Centerline pavement markings, when used, shall be the pavement markings used to delineate the separation of traffic lanes that have opposite directions of travel on a roadway and shall be yellow.
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