OKLAHOMA CITY - Emergency crews are responding to a reported accident involving an overturned cement truck near downtown Oklahoma City. 

The overturned truck was blocking both lanes of traffic on the ramp at westbound Interstate 40 to southbound Interstate 35 in the Dallas Junction.

Troopers shut down the ramp to clean up the diesel leaking on the roadway. It was shut down for about three hours.

The driver appears to be OK. 

This is a developing story.