Crash causes traffic congestion on Auckland's Northern Motorway

Traffic is blocked up on Auckland's Northern Motorway. PHOTO / Brett Phibbs

A crash on Auckland's Northern Motorway is causing headaches for motorists in peak-hour traffic.

Two cars were involved in the collision by the Upper Harbour Highway off ramp shortly before 5pm.

The cars were initially blocking the right hand lane.

A Northern Region police spokesperson said the crash had been cleared by 5.30pm.

#Crash on Northern Mwy has been cleared but #AklTraffic now very slow & heavy heading north from AKL Hbr Bridge #AllowExtraTime ^TP pic.twitter.com/FrauSAobFF

— Waka Kotahi NZTA Auckland & Northland (@WakaKotahiAkNth) October 26, 2017

Traffic was backed up to Northcote Rd and NZTA was warning northbound motorists to expect delays.