Skip to main content

Northwest Transit Systems Partners JV to oversee Sound Transit light rail expansion

Northwest Transit Systems Partners (NTSP), a joint venture consisting of US transportation design and construction management firm STV, and Mott MacDonald, is to oversee the systems construction of two new light rail extensions for Sound Transit’s light rail system in Seattle, US. The NTSP team will perform systems construction management services for the US$3.7 billion East Link Extension, a 14-mile-long extension connecting Seattle, Mercer Island, Bellevue and Redmond; and the US$1.9 billion 4.3-mile
August 23, 2017 Read time: 2 mins
Northwest Transit Systems Partners (NTSP), a joint venture consisting of US transportation design and construction management firm STV, and 1869 Mott MacDonald, is to oversee the systems construction of two new light rail extensions for Sound Transit’s light rail system in Seattle, US.


The NTSP team will perform systems construction management services for the US$3.7 billion East Link Extension, a 14-mile-long extension connecting Seattle, Mercer Island, Bellevue and Redmond; and the US$1.9 billion 4.3-mile Northgate Link Extension between the University of Washington at Husky Stadium, the University District and the Northgate area. Both extensions are key components of a larger system expansion being undertaken by Sound Transit over the next 25 years.

Sound Transit estimates that at least 50,000 people a day will use East Link by 2030. Once completed, the extension will be the world’s only passenger light rail service operating over a floating bridge, the section of I-90 over Lake Washington connecting Mercer Island and Seattle.

For more information on companies in this article

Related Content

  • City of Seattle selects consultant to deliver RapidRide BRT expansion program
    September 29, 2016
    The City of Seattle, one of the fastest growing major cities in the US, has selected CH2M as its program management consultant to deliver the RapidRide Bus Rapid Transit (BRT) expansion program. The program will provide high-quality transit throughout some of the densest areas of Seattle. The expansion includes building seven Seattle RapidRide BRT corridors by 2024; incorporating the multimodal commitments in the levy and modal plans; and funding design and implementation of multimodal corridors using st
  • Aecom awarded Hong Kong tunnel contract
    January 16, 2014
    Aecom Technology Corporation has been awarded a consultancy contract worth around US$13 million for the design and an estimated US$103 million contract for the construction supervision of the Tseung Kwan O to Lam Tin (TKO-LT) tunnel project in Hong Kong. The tunnel will include a 2.6-mile, two-lane highway connecting Tseung Kwan O (TKO) at Po Shun Road in the east with the proposed Trunk Road T2 in Kai Tak development in the west. Along with the Central Kowloon Route and Trunk Road T2, the tunnel wil
  • Auckland public transit to go contactless in 2024
    June 27, 2023
    New Zealand's biggest city will introduce new payment options alongside its Hop card
  • Magnadata Group wins $37.35 million rail ticket contract
    February 1, 2012
    UK-headquartered Magnadata Group has been awarded a five-year, US$37.35 million contract by ATOC (Association of Train Operating Companies) to produce the iconic orange magnetic rail ticket and associated products for all the UK train operating companies.