Three-car pile up at Glenloch interchange block Tuggeranong Parkway

ACT Emergency Spokesman confirmed ambulance were called to the scene to assess occupants of the vehicles involved shortly after 5.25pm.

"All were assessed. There were no injuries and noone was transported for treatment," the spokesman said.

Traffic remained bumper to bumper on the Tuggeranong Parkway throughout the peak hour period as ACT Police closed one lane to deal with the incident.

A police spokeswoman confirmed lanes were reopened at 6.50pm, but urged northbound drivers to take alternative routes where possible as the traffic cleared.