WALTHAM (CBS) – A garbage truck fire briefly shut down all lanes of Route 128 north in Waltham near the Weston line late Tuesday morning.

Check: Traffic Updates

READ MORE: Man Arrested After Armed Robbery At Haverhill Pot Shop

The truck burned in the breakdown lane and traffic was backed up for miles. The ramp from Route 30 was also closed for more than a hour for the cleanup.

READ MORE: Gov. Baker Proposes Waiving Massachusetts Sales Tax For All Of August And September

The garbage truck burned in a breakdown lane on Route 128 north. (WBZ-TV)

It’s not clear yet what caused the fire or if there are any injuries.

MORE NEWS: Rep. Chris Pappas Mourns 15-Year-Old Nephew Who Drowned In Sebbins Pond In Bedford, NH

All lanes of Route 128 north were shut down briefly.

No other information is available at this point in the investigation.