A male truck driver was injured in a single vehicle incident on Tuesday evening on the Olympic Highway south of Henty.

A NSW Police spokeswoman said the man appeared to have suffered non-serious injuries after his truck hit a tree at about 5.30pm.

"The driver was conveyed to a local hospital with non-serious injuries," she said.

"The highway was blocked for a short amount of time."

Earlier - Tuesday - 8.12pm

Emergency services are on scene at a truck crash on the Olympic Highway south of Henty.

The incident was first reported at about 5.45 this afternoon, with traffic diversions ongoing.

The Highway is closed in both directions with diversions in place northbound through Morven and Cookardinia to rejoin the Olympic Highway at Henty and the same in reverse for those headed southbound.

Authorities are advising drivers to slow down, take caution and allow extra travel time until the incident clears and the scene is assessed.

For more information and to stay up to date with other traffic incident reports, visit the Live Traffic NSW website at https://www.livetraffic.com/