Federal Way Link Extension will extend the light rail line south from Angle Lake to Federal Way.

USA: Seattle-Tacoma transport authority Sound Transit has selected Parsons as lead designer for the Federal Way Link Extension project, the company announced on July 11.

Parsons will work as part of a team led by Kiewit Infrastructure West Company, which was awarded a design-build contract earlier this year. Parsons to provide final design and engineering services during the construction phase.

Due to open in 2024, the Federal Way Link Extension will extend the light rail line south from Angle Lake to Federal Way. The 12·5 km alignment would include a mixture of at-grade and elevated track, and will serve three stops. The total cost of the project is estimated at $1·3bn.