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Collin County adopts road-upgrade criteria to prioritize converting high-use county roads to hot-mix surfaces
Summary
The Commissioners Court voted 5-0 to adopt new pavement-selection criteria that will prioritize upgrading certain county roads from chip seal to hot-mix construction where scores and funding justify it. Staff said bond funds will be targeted for initial phases and that lifecycle and per-mile costs depend on subgrade conditions.
The Collin County Commissioners Court voted 5-0 to adopt new county road upgrade criteria that prioritize converting the most heavily traveled or load-stressed county roads from two-course chip seal to hot-mix pavement, county staff said.
Mr. Klein Hechsel, the Public Works representative, told the court the county originally applied a chip-seal standard that is no longer adequate for many roads. "We're looking at a minimum 20 year life cycle…
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