Emergency services are at the scene of a serious crash on State Highway 29, in the Lower Kaimai Range.

Police were alerted to the car vs truck crash between Soliders Road and Valley View Road at around 5.23am.

An update on injuries will be provided when able, says a police spokesperson.

"The road is closed in both directions and diversions are in place.

"Motorists are advised to avoid the area as there will be significant delays."

The crash is located between Soldiers Road and Valley View Road. Image: Google Maps.

Diversions are as follows: Kaimai eastbound (towards Tauranga) use SH5 via Ngongotaha, then SH36. Kaimai westbound (away from Tauranga) use SH2 via Waihi for north or SH36 via Ngongotaha then SH5.