One lane of State Highway 2 is reportedly blocked this morning.

A caller to the 0800 SUNLIVE news hotline says there is a crash on the highway, near Thompsons Track.

"Emergency services are at the scene.

"It looks like the northbound lane is blocked.

"People should expect delays or avoid the area."

Traffic is stalled in the area. Image: Google Maps.

SunLive is working on getting more information and will provide at update when we can.

At the scene?

Call 0800 SUNLIVE or email photos to newsroom@thesun.co.nz