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Summertime in Texas means rising temperatures, long days and the emergence of maintenance forces ready to take on approximately 186,000 lane miles of roadways. The Texas Department of Transportation (TxDOT) spends over $2 billion annually to maintain the state’s roadways, and seal coats are an important part of TxDOT‘s preventative maintenance program. But what happens [...]
As the winter months wind down, Texas Department of Transportation (TxDOT) district offices throughout the state will complete planning for the hectic summer seal-coat season. Best applied when the weather is warm, seal coats are by far the most popular preventative maintenance treatment used in Texas. A recently completed research project, sponsored by TxDOT and [...]
Potholes in the road cause more problems than commuters just spilling their coffee. Potholes are also a safety hazard and an expensive burden to the taxpayers footing the bill for repairs. Thermal segregation, one major cause of potholes, occurs in isolated, low-density areas when the temperature differs greatly during placement of the new overlay. Hot-mix [...]
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