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Public Safety

Bay Area Houston Economic Partnership
Texas Department of Transportation
News Release
Friday, February 04, 2011


(Houston) – TxDOT’s Houston District Emergency Operations Center continues to monitor the state's roadway system.  Maintenance crews are working to make bridges and overpasses safe for travel by spreading aggregate to improve traction.  Motorists are strongly encouraged to stay off the roadways unless absolutely necessary.

On Wednesday and Thursday morning, crews sprayed a liquid magnesium chloride solution on bridges and overpasses.  This solution is used as a preventative measure and lowers the point of freezing temperature.  Our area received a continuous drizzle of freezing rain which coupled with rapidly decreasing road temperatures caused ice to build on bridges and overpasses.

“I’m confident that our efforts in treating the roadways with the magnesium chloride helped to minimize the severity of this event.  Without our pre-treatment activities, the event could have been much worse,” states Houston District Engineer Delvin Dennis, P.E.

The following resources have been committed to date:

           140 TxDOT Houston District Personnel

           70 Herbicide/Shadow Vehicles

           15,000 Gallons of Liquid Magnesium Chloride

           65 Sanding Trucks

Additional road condition information is available by calling TxDOT’s toll-free highway conditions hotline at 1-800-452-9292 or use Texas road conditions on the Internet at

Dannenbaum Engineering BayTran
Remembering Jim Guidry

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