Emergency services have closed Wellington's Terrace Tunnel for northbound traffic between the tunnel and the Tinakori Rd on-ramp after a serious crash.

A police spokesperson said the incident was reported at 7pm and involved a motorbike.

Police are attending the incident and there are no further details available at this time.

In August, one person died following a serious crash in the Terrace Tunnel.

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That incident caused the closure of both lanes of traffic. It occurred around 7.50am during rush hour traffic and caused significant delays for motorists in the area.

MORE TO COME.