San Antonio will open a federal coronavirus drive-thru testing site on Tuesday at the Alamodome. With the support of the Texas Division of Emergency Management, the city will open the testing site in Lot C at Cherry Street and Montana. Appointments for testing are required. City officials say the site will be open from 7 a.m. to 5 p.m. seven days a week through February 4th. The only exceptions will be January 22nd, 28th, 29th, and 30th, when previously scheduled events will take place at the Alamodome.