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Traffic Management

Traffic Management. Latex –Percent Above Initial Minimum Retroreflectivity. Epoxy –Percent Above Initial Minimum Retroreflectivity. Statewide Striping and Spending. Total Striping Miles and Cost per Foot. Striping. CY2003. Measure: Initial Minimum Retroreflectivity - Minimum Targets:

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Traffic Management

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  1. Traffic Management Latex –Percent Above Initial Minimum Retroreflectivity Epoxy –Percent Above Initial Minimum Retroreflectivity Statewide Striping and Spending Total Striping Miles and Cost per Foot Striping CY2003 Measure: Initial Minimum Retroreflectivity - Minimum Targets: Latex Epoxy White 275 MCD White 300MCD Yellow 180 MCD Yellow 200 MCD Striping Line Miles LatexEpoxy 2002 15,030 2,182 2003 14,878 2,812 • Initial Striping Retroreflectivity Performance Observations (February 20, 2004 District Operations Presentation) • Measures changed from 2002 to 2003. The measures for 2002 were for % of latex and epoxy completed. The measures for 2003 were: 1) Initial Minimum Retroreflectivity, and 2) Maintenance Indicators – the percent of miles above performance values used to schedule maintenance or replacement (see next page). • Central Striping Business • To achieve mandated cost reduction: 1) The line thickness of epoxy and latex paint was reduced from 15 to 12 mils. ; and 2) The amount of glass beads in epoxy was reduced from 30 lbs/gal to 15 lbs/gal. • The 2003 Savings was: 1) Latex - $249,927; and 2) Epoxy - $504,131 for a total savings of $754,058. • Pavement Marking Performance Assumptions (Spring 2003) • 1. All current pavement marking materials on all highways meet the policy for material selection. • 2. Latex paint must be renewed annually to meet the 365 day performance goal. In reality, it may not last a year on Metro freeways. Epoxy has a statewide average life of 5 years.

  2. Traffic Management Percent Above Maintenance Indicators Striping CY2003 Performance values used to schedule maintenance or replacement: 80 MCD for Yellow 100 MCD for White Target: Maintenance Indicators = 100% • Maintenance Indicators Performance Observations • (February 20, 2004 District Operations Presentation by Office of Traffic, Security and Operations) • Maintenance Indicators should be at 100% • Initial performance of liquid markings is low. • Strategic Plan for Pavement Markings • 1. All District Plans are being reviewed • Gaps in the data are being identified • Statewide inventory and performance data base • Resources needed to meet goals will be identified. • 2004 Work Plan • Construction reports • New products • Complete strategic plan • Preventive maintenance task force. • Assistance Needed • Complete strategic plans • Collect data • Two laserlux vans • Six handheld units in districts • Work on issues and solutions with construction • Continue Preventive Maintenance Task Force. • Resources Needed • Approximately $5 million deficit to meet 2007 material goal. • Proposal to accelerate compliance with the tech memo.

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