I-35 northbound open again after early morning accident

A two-car collision closed Interstate 35 northbound at 18th Street Expressway for almost two hours this morning.

The accident was cleared at 6:36 a.m., according to, and traffic has returned to normal in the area.

The accident happened about 4:30 a.m. According to early reports, there were injuries and one of the vehicles involved was going the wrong way on the freeway.

Check later for updates.