Thermoplastic Pavement Markings, HR-172, 1975

(1975) Thermoplastic Pavement Markings, HR-172, 1975. Transportation, Department of


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It is difficult to maintain reflectorized lane markings on high-traffic, multi-lane highways. This is particularly true of sections in urban areas where there are frequent lane changes, such as on the Des Moines Freeway, I-235. In spite of the fact that the lane markings are painted on an average of three times a year, they are frequently absent during a considerable portion of the winter period. In the summer of 1973, the office of Highway Maintenance suggested a research project using a new thermoplastic paint developed by the Prismo Universal Corporation. Because of difficulties in scheduling the work, a definite proposal was not submitted until 1974. Upon the recommendation of the Iowa Highway Research Board, the project was approved by the Iowa State Highway Commission on August 7, 1974.

Item Type: Departmental Report
Keywords: Highway maintenance, Lane lines, Painting, Reflectorized road markings, Thermoplastic materials, Traffic safety
Subjects: Transportation
Transportation > Traffic safety
Transportation > Research
Transportation > Equipment
Transportation > Maintenance and preservation
ID Code: 17010
Deposited By: Iowa DOT Library
Deposited On: 02 Jun 2014 20:36
Last Modified: 06 Jan 2015 16:55