The A90 is closed for traffic heading to Dundee after an incident involving a lorry.
The dual carriageway has been closed southbound after an HGV jack-knifed close to the A933 Brechin.
Traffic is also restricted northbound.
A police statement said: “Full road closure southbound. Diversions in place through Brechin. Single lane open northbound.”
A Traffic Scotland statement said: “Due to a RTC both carriageways of the A90 at Brechin are restricted.
“Drivers are advised to approach with caution and allow for longer than normal journey times.”