Loop 1604 North Expansion Project | Upcoming Major Closure Notice Texas Department of Transportation sent this bulletin at 02/24/2023 12:26 PM CST Loop 1604 North Expansion Project Major Closure Notice Stay in the Loop TxDOT Loop 1604 North Expansion Project Page LEARN MORE TxDOT San Antonio District Facebook Page LIKE US TxDOT San Antonio District Twitter Account FOLLOW US