A9
Luncarty to Pass of Birnam, United Kingdom

The A9 is a busy traffic route in Scotland, running between Perth and Inverness. To ease congestion and improve traffic flow,

Transport Scotland is in the process of expanding almost 80 miles of single carriageway into a dual carriageway. Eight new structures are being constructed across the route from Luncarty to Pass of Birnam, all of which are being formed using PERI formwork and shoring.