City of Madrid issued the following announcement on Apr. 27.
Beginning on Tuesday, April 28, 2020, Main St will become one-way, North to South, from 11:15am-1:00pm for lunch grab-and-go pick up. We ask that vehicles use W 21st St (NOT Little St) to enter Main St. We ask that vehicles line up single file to the left. This will allow vehicles to exit onto Highway 210 from Main Street.
Original source: https://madridiowa.org/madrid-schools-main-st-becomes-temp-one-way/