Visiting address

Suite 2600, 1999 Avenue of the Stars

California 90067

Los Angeles

Postal address

Suite 2600, 1999 Avenue of the Stars

Los Angeles , California 90067

United States


Tel 1.213.593.8100

Fax 1.213.593.8178

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Company information

AECOM is a global network of experts working with clients, communities and colleagues to develop and implement innovative solutions to the world’s most complex challenges.

Delivering clean water and energy. Building iconic skyscrapers. Planning new cities. Restoring damaged environments. Connecting people and economies with roads, bridges, tunnels and transit systems. Designing parks where children play. Helping governments maintain stability and security.

We connect expertise across services, markets, and geographies to deliver transformative outcomes. Worldwide, we design, build, finance, operate and manage projects and programs that unlock opportunities, protect our environment and improve people’s lives.

We are AECOM. Built to deliver a better world.

Mass Transit

AECOM develops comprehensive transit and intercity rail projects from concept through operation.

Our mass transit expertise spans more than 100 years and includes work with rail and bus companies, major transit agencies as well as with federal state and local governments around the globe. Our interdisciplinary team includes transit, railroad, tunnel, bridge, and systems engineers, transit architects, urban designers and financial experts who use their talents to transform a conceptual design into a functioning system.

We move people

We provide engineering and construction services for multiyear, multimillion-dollar projects for major transit agencies. Our specialists provide analytical and strategic expertise for every stage of a project. We have worked on all types of mass transit systems including bus rapid transit, light rail transit and commuter rail. We develop designs that fully consider safety, sustainability, constructability, operability and maintainability through the lens of our clients. Our skills encompass:

  • Planning
  • Environmental management
  • Engineering design
  • Construction
  • Program and construction management
  • Operations and maintenance

AECOM Services

  • Program Management
  • Alternate Delivery
  • Planning and Forecasting
  • Procurement
  • Environmental Analysis, Design and Approvals
  • Comprehensive, Multidisciplinary Rail Engineering Design
  • Construction Management
  • Urban Planning and Transit-oriented Design
  • Station and Facilities Architecture
  • Civil Earthworks
  • Rail/Highway Grade Separation Design
  • Rail Bridges, Culverts and Viaducts
  • Maintenance Facility Design
  • Noise and Air Quality Impact Analysis and Mitigation Design
  • Signaling, Train Control and Communication Systems Design and Integration
  • Power Supply and Electric
  • Traction System Design
  • Rollingstock Advisory Services and Procurement
  • Facilities and Asset Management
  • Freight Intermodal Terminals and Yards
  • Transportation System Integration of Rail with
  • Roads, Ports and Airports
  • Operations and Maintenance Planning
  • Commissioning, Handover and Operations Support

Company information

Headquarters location Suite 2600, 1999 Avenue of the Stars
California 90067
Los Angeles
United States
Office locations
5080 Commerce Blvd
L5W4P2 MIssissauga
Aldgate Tower, 2 Leman Street
E1 8FA London
United Kingdom
8/F, Tower 2, Grand Central Plaza 138 Shatin Rural Committee Road
Hong Kong
Some facts
Founded in
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Company Size


  • Infrastructure / Railway Construction
  • Services

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