MONTGOMERY COUNTY, Md. (WJZ) — A tractor trailer carrying 40,000 pounds of chocolate bars rolled over on Interstate 270 in Montgomery County early Friday morning, injuring the driver.

The crash happened around 1 a.m. on the southbound Interstate 270 on-ramp to Route 118. The truck hit a police squad car before jack-knifing and overturning, trapping the driver inside.

READ MORE: President Joe Biden Addresses Several Issues During Thursday Night's Town Hall

The driver was extricated and taken to an area hospital with non-life threatening injuries.

The Montgomery County police officer, who was conducting a traffic stop when the crash happened, was not hurt.

READ MORE: Vaccinations For Younger Children Could Be Approved Next Month; The Latest On Outbreaks In Maryland Schools As 7 Children Hospitalized

The truck was hauling 40,000 pounds of Hershey chocolate bars and Kit Kat bars at the time of the collision.

Hazardous materials crews helped remove diesel fuel from the truck.

MORE NEWS: Dirt Biker Dies After Colliding With Fire Truck In Baltimore

Traffic was delayed in the area for several hours.