The A458 near Welshpool is expected to remain closed for at least another 24 hours following a crash in the early hours of Wednesday morning.
Dyfed-Powys Police were called to a single-vehicle collision between Middletown and Welshpool at around 2.20am.
No injuries were reported, and the vehicle was recovered at approximately 5.20am.
However, Traffic Wales has now confirmed the closure will remain in place due to safety concerns at the scene.
In an update issued shortly after 3pm on Wednesday, Traffic Wales said: “The A458 remains closed due to a previous collision.
"Due to the location, and on the advice of structural engineers on scene, the road will remain closed for at least another 24 hours to ensure safety.
“We apologise for the inconvenience.”
The road remains closed between Buttington Roundabout and Middletown, with motorists advised to avoid the area and allow extra time for their journeys.
Share