Diversions are being put in place after a serious crash involving a bus and car on Crown Range Road this morning. 

The crash happened south of Cardrona, about 10.15am. 

The northbound lanes of Transmission Gully are closed near the Wainui Saddle, just before Paekakariki following a vehicle fire. 

Emergency services were notified just after 8:20am.

Motorists are being advised of delays following a multi vehicle crash on the Northwestern Motorway, Point Chevalier.