Buses are now being let through, however, motorists can continue to expect delays while emergency services are on site, the agency said.
At 6.10am, Auckland Transport issued an alert about a crash on Sandringham Rd near the intersection of Walters Rd in Mt Eden. It had blocked lanes.
AT said motorists should “expect delays and possible diversions for all traffic, including bus services”, through the area until the site was cleared.
The crash site is now cleared.
Another subsequent crash in Mt Wellington on the South Eastern Highway near the intersection of Carbine Rd had held up traffic and caused disruptions to school bus routes.
Auckland Transport issued an alert saying the 323 inbound bus services were detoured until further notice.
Stops missed were 7924, 7926. It asked motorists to expect delays.