By: Terry Shannon
Ever wonder what happens to all the highway materials when a new road comes in and replaces the old one? A lot of it is recycled. In fact, according to Texas Department of Transportation, TxDOT and its contractors reuse and recycle highway materials and products for the construction of a highway, but also for traffic safety and landscaping.
TxDOT works closely with contractors, the Federal Highway Administration, universities and other state agencies, all in an effort to promote the use of recycled products and materials that have financial or engineering advantages in road construction.
For instance, recycled products can be used to relieve material shortages where good quality materials are scarce, to reduce purchasing and transportation costs, and when the recycled products will perform better than newer ones. And, several state and federal statues reinforce TxDOT's interest in using high quality, cost-effective recycled materials and products.
TxDot every year uses thousands of tons of recycled crushed concrete, compost, steel, crumb rubber, glass beads and cellulose fibermulch. Some of the roadway materials they use for recycling include reclaimed asphalt pavement, salvaged pavers, aluminum signs, scrap metal and scrap tire rubber.
FMI: Tom Tagliabue, 361.808.2481
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