Motorists are being warned to approach with care a road accident on the A816 Oban to Lochgilphead road.
The crash has taken place between Oban and Kilmore.
A police spokeswoman said: “Around 11.40am, police received a report of a road crash on the A816 north of Kilmore. Emergency services are in attendance and a man is currently being treated by paramedics at the scene.”