Motorists were advised to avoid the area and expect delays.
SH20 SOUTH-WESTERN MWY - SOUTHBOUND - INCIDENT 10:40AM A car fire is blocking two right lanes on the South-Western mwy just prior to the Mangere Bridge travelling South. Emergency services are currently at the scene. Please avoid this area if possible and expect delays. ^JF pic.twitter.com/n3N1cfQtQp
— Waka Kotahi NZTA Auckland & Northland (@WakaKotahiAkNth) July 3, 2018