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SAN ANTONIO – With icy conditions still present on San Antonio roadways, the Texas Department of Transportation has closed all major highways. They include US 281 N and Loop 1604, Loop 410 and IH-10 NW, Loop 410 and US 281, Loop 410 and SH 16, Loop 410 and SH 151, Loop 410 and US 90, US 90 and Loop 1604, SH 151 and Loop 1604, IH 35 ramps connecting to IH 10 and US 90, and IH 37 and Loop 410. Highway closures have been reported along Loop 410 from US 90 to Evers and near the San Antonio Airport. Crews have close upper levels of I-35 and I-10 in downtown San Antonio due to icy conditions. Loop 1604 and Old Corpus Christi; 1630-1866 Block E Loop 1604; Loop 1604 at Quiet Night; IH-10 at Ralph Fair Road, Westbound Lanes; Loop 1604 at FM 1346; 300 block of S Loop 1604 E, Westbound Lanes; S Loop 1604 E, US Highway 281 S, according to the BCSO.