Grayson County, Texas -- The Texas Department of Transportation (TxDOT) officials today announced that there will be nightly ramp closures on southbound US 75.

• US 75 southbound exit to FM 121 (Exit 51) will be closed each night from 8 p.m. to 5 a.m. on Aug. 20, Aug. 21 and Aug. 24. Drivers can continue traveling south and take Exit 50.

These closures are needed to safely install the temporary traffic signal at the US 75 and FM 121 intersection. Message boards will be placed ahead of the work location to alert drivers.

All closures are subject to being delayed or altered due to weather conditions, mechanical issues or material supply issues.

During this period, TxDOT urges drivers to exercise caution. Motorists who travel frequently in this area are asked to pay special attention to all barricades, traffic controls, and signs, and to reduce their speed as they approach and travel through work zones. Motorists should also avoid distractions such as cell phones, eating, drinking, or car audio or navigation systems. TxDOT also asks drivers to remain alert to road crews while navigating through the construction zone.