A lane was briefly blocked and there were no injuries, she said.
The New Zealand Transport Agency put out an alert asking people to follow the direction of emergency services and expect delays.
A Tauranga City Council spokesman said motorists were advised to avoid the area at this time.
SH29A HAIRINI ST ROUNDABOUT - CRASH - 1:05PM Reports of a crash on #SH29A in the area of the Hairini St/Welcome Bay Rd roundabout in Tauranga. Please follow directions of emergency services. Delays in the area are likely. ^TP pic.twitter.com/DrBVD5MW2K
— Waka Kotahi NZTA Waikato/BoP (@WakaKotahiWaiBP) March 10, 2020