NZ Transport Agency Waka Kotahi (NZTA) said emergency services have closed a portion of the arterial route neat Matua Rd.
A part of State Highway 16 has been closed after a serious crash this morning, causing chaos for West Auckland commuters.
One person is seriously injured while two others have received moderate injuries.
A police spokesperson said they were called to the scene at 7am.
NZ Transport Agency Waka Kotahi said emergency services have closed a portion of the arterial route neat Matua Rd.
Diversions are in place via Foster Rd and Trig Rd. NZTA is urging motorists to allow extra time for their commute this morning and to expect delays.
Bus route 125 will be detoured until further notice, Auckland Transport said, as a result of the crash. Stops 4872 and 4893 will be missed.
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