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Pages 5-10

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From page 5...
... Pavement markings play an important role in reducing congestion and improving safety by guiding traffic flows, providing modal separation, getting the attention of drivers at critical locations, and providing information that promotes safe and smooth vehicular and pedestrian movement. Markings comprise different materials including various types of paints, thermoplastics, preformed thermoplastic, tape, polymer materials, and different categories of discrete physical markers [e.g., raised pavement markers (RPMs)
From page 6...
... Several agencies sent more than one specification, because their warranties cover multiple pavement marking materials or different performance periods. These example specifications are compiled in Appendix D (a web-only portion of the report)
From page 7...
... do not now use pavement marking warranties and are unlikely to revise their position in the foreseeable future. • Agencies that have not used pavement marking warranties but are potentially interested.
From page 8...
... Option (b) shows the warranty period commencing after the pavement markings are initially accepted.
From page 9...
... FIGURE 5 Pavement marking warranty timeline involving a performance period. TxDOT = Texas Department of Transportation; RPMs = raised pavement markers; DelDOT = Delaware DOT.
From page 10...
... : a period following initial acceptance to evaluate further the performance of pavement marking materials and installation, but before commencing the provisions of the warranty specification. • Warranty period: a period after construction acceptance during which the provisions of the warranty specifications apply.


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