The southbound lanes of Interstate 270 near MD 80 reopened at about 4 p.m. after a crash, according to the state highway administration.
Closures of all lanes were reported after 2:30 p.m. Monday, the Frederick News-Post reported. The northbound lanes had reopened by 3 p.m.
A man was hospitalized after his minivan crashed into a pickup truck parked on the shoulder, according to Maryland State Police. His injuries aren't believed to be life-threatening.