Scanner reports say it involves a tractor trailer.
If you're heading home this afternoon, here's a traffic reminder. Police, fire and rescue are on the scene of a vehicle crash on the ramp from westbound I-70 to southbound I-270.
It involves a tractor trailer which has rolled over, according to scanner reports.
The Maryland State Highway Administration's CHART website says the ramp is closed to traffic.
If that's your normal way of travel, you're urged to find an alternate route.