Temporary Pavement Markings Placement and Removal Practices in Work Zones (2021) / Chapter Skim
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Pages 92-96
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92 Conclusions Synthesis Objectives, Scope, and Methodology e objective of this synthesis was to determine the existing state of the practice by departments of transportation (DOTs) for placement, maintenance, and removal of pavement markings in work zones.
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Conclusions 93 weather conditions, frequency of snowplowing, time of year, ease of placement, pavement type, traffic volumes, and equipment availability. The factors most commonly considered in selecting temporary markings are duration for the marking to remain in place, past experience, and safety.
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94 Temporary Pavement Markings Placement and Removal Practices in Work Zones • For temporary pavement markings in work zones, most DOTs use a 4-in. marking, although some DOTs use a 6-in.
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Conclusions 95 • DOTs nd that pavement scarring is a major concern with various pavement-marking removal methods. Other performance issues noted by DOTs include pavement discoloration from water blasting and black adhesive residue from temporary black tape.
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96 Temporary Pavement Markings Placement and Removal Practices in Work Zones • Advancement of more uniform standards and specifications for temporary pavement markings and pavement marking removal may encourage greater consistency between DOTs, especially with respect to provisions for CAVs. • Development of a handbook on field implementation may support efforts to provide temporary traffic during placement and removal of pavement markings in work zones, enforce contract provisions, achieve consistency between contractors, reduce worker exposure to traffic, and understand the constructability issues that limit the use of specific temporary marking types and marking removal methods.
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