A man was taken to hospital after an accident near the Clyde Tunnel.
Southbound access to the main road has been restricted since the collision on Balshgray Avenue.
Pictures appear on social media that a car is seen towards him when the emergency services attended.
– 🇬🇧 Stuart ❤🤍💙 ❤🤍💙 (be Bluebea84088495) August 31, 2021.
It is understood that the tunnel has now reopened, but drivers should expect a delay with a tailback to M8 Junction 25.
Drivers were advised to take a turn on Dumbarton Road.
Police spokesman. Scotland “At around 5.20pm, police received a report of a road accident on the Clyde Tunnel on A739. Emergency services attended and one person was taken to hospital,” he said.