Silver Line Bus Rapid Transit, Massachusetts Bay Transportation Authority

Boston, Massachusetts, United States

Filter projects by:

Market

  • Cities

    Cities EMIA

  • Commercial & Residential

    Mixed Use

    Office

    Residential

    Retail

  • Education

    Colleges & Universities

    Schools

  • Energy

    Carbon capture, utilization and storage

    Geothermal

    Grid modernization

    Hydroelectricity

    Hydrogen

    Microgrids and energy storage

    Offshore wind

    Portfolio Decarbonization and Climate Resilience

    Solar

    Transportation decarbonization

  • Healthcare

    Clinical Hospital

    Life Sciences

    Senior Living

  • Industrial

    Agriculture, Food & Beverage

    Automotive & Heavy Equipment & Machinery

    Digital Infrastructure

    High Performance Logistics

    Manufacturing

    Mining & Metals

    Pharmaceutical/Specialty Chemicals

    Pulp & Paper

  • Justice

  • Leisure

    Arts and Culture

    Hotels and Resorts

    Themed Entertainment and Mixed-Use

  • National Governments

    Civil Works

    Disaster Resilience

    Environment

    Infrastructure & Facilities

    International Development

  • Oil, Gas & Chemicals

    Chemical/Petrochemical

    Downstream

    Midstream

    Upstream

  • Sports and Venues

    Collegiate

    Convention Centers

    Olympics & Mega-Events

    Stadiums & Arenas

  • Transportation

    Air Cargo

    Aviation

    Bridges

    Connected and Autonomous Vehicles

    Freight Rail

    Highways & Roads

    Mass Transit

    Ports & Marine

    Transportation decarbonization

    Tunnels

  • Water

    Dams & Hydropower

    Flood and coastal resilience

    Industrial Water

    Tunnels, Conveyance, Collection & Distribution

    Wastewater Treatment & Reuse

    Water Treatment

    Watershed and Ecosystem Management

Service

  • AECOM Capital

  • Alternative Delivery Models

  • Architecture and Design

    Architecture

    Asset Advisory

    Climate Adaptation

    Community Engagement

    Interior Architecture

    Landscape Architecture

    Planning

    Urban Analytics

    Urban Design

    Urbanism + Planning

  • Asset Management

  • Cities Solutions

  • Construction Management

  • Converged Resilience

  • Cost Management

  • Digital Infrastructure Services

  • Economics

  • Electric Vertical Takeoff and Landing Solutions

  • Engineering

    Ground Engineering

  • Environmental Services

    Air Quality Consulting and Engineering

    Climate Adaptation

    EHS Management Consulting and Compliance

    Environmental and Social Impact Assessment and Permitting

    Environmental Contracting

    Management Information Systems (MIS)

    Remediation, Restoration and Redevelopment

  • Fabrication

  • Finance

  • Industrial and Commercial Operations and Maintenance

  • International Development

  • IT and Cybersecurity

  • Mobilitics

  • Multinational Investment and Development

  • Pedestrian Modelling (North America)

  • Planning and Consulting

    Geospatial Services

    Pedestrian Modelling

  • Process Development & Implementation

  • Program Management

  • Public-Private Partnerships

  • Risk Management & Resilience

    Critical Infrastructure Protection

  • Simulation Models

    Rail Simulations

  • Strategic consulting

    People + Place Advisory

  • Tunnels, Trenchless Technology and Underground Infrastructure

  • Vertical Transportation Services (North America)

  • Visualization and Virtual Reality

Location

  • Africa

  • Algeria

  • Antarctica

  • Australia

  • Azerbaijan

  • Bahrain

  • Bangladesh

  • Belgium

  • Bolivia

  • Bosnia and Herzegovina

  • Brazil

  • British West Indies

  • Canada

  • Caribbean-Puerto Rico

  • China

  • Colombia

  • Croatia

  • Czech Republic

  • Egypt

  • Eritrea

  • Finland

  • France

  • Germany

  • Greece

  • Greenland

  • Haiti

  • Hong Kong

  • India

  • Indonesia

  • Iraq

  • Ireland

  • Italy

  • Japan

  • Kenya

  • Kingdom of Saudi Arabia

  • Kuwait

  • Liberia

  • Lithuania

  • Malaysia

  • Maldives

  • Mali

  • Malta

  • Mauritania

  • Mexico

  • Monaco

  • Mongolia

  • Montenegro

  • Myanmar

  • Netherlands

  • New Zealand | Aotearoa

  • Norway

  • Oman

  • Panama

  • Papua New Guinea

  • Peru

  • Philippines

  • Poland

  • Portugal

  • Qatar

  • Romania

  • Singapore

  • Slovakia

  • South Africa

  • South Korea

  • Spain

  • Sri Lanka

  • Sweden

  • Switzerland

  • Taiwan

  • Turkey

  • Ukraine

  • United Arab Emirates

  • United Kingdom

  • United States

  • Vietnam

  • Worldwide

AECOM is the prime consultant of a joint venture and responsible for assisting with program management, engineering and architectural design, public participation, environmental compliance, and the Federal Transit Administration (FTA) New Starts support for the $2.1 billion project. The Silver Line is a bus rapid transit (BRT) line that will provide service from Dudley Square and Back Bay to the emerging South Boston waterfront and Logan International Airport. The Phase III tunnel segment, located within the densely developed downtown, represents a critical link between Phase I (in operation from Dudley Square to downtown) and Phase II (completed in 2003), connecting South Station to the waterfront and the airport. The Silver Line, when fully operational in 2016, will be Boston’s fifth transit line.

Environmental Clearance – AECOM managed preparation of a final environmental impact statement/report under the National Environmental Policy Act (NEPA) and the Massachusetts Environmental Policy Act (MEPA) to respond to project changes since the predecessor transitway project was approved in 1994. Key environmental issues included compliance with Section 4(f)/106 due to the extensive historic and archeological resources within the alignment corridor, including the Boston Common; urban design interface of surface elements of the underground stations and tunnel portal; and construction-phase impacts associated with underground construction in the densely developed business and residential urban area, including the city’s Chinatown neighborhood. To respond to the environmental and community issues, to enhance ridership, and make the project more cost effective, a number of alternative alignments and portal locations were developed. An extensive community-focused public involvement program was also implemented to involve the environmental justice organizations in the project area.

New Starts – An important early task was preparation of the annual New Starts report to FTA. To prepare the submission, the entire MBTA finance plan and capital program was evaluated and included developing a cost allocation model, a 30-year sources and uses of funds analysis (capital and operating), ridership forecasts, and fare revenue forecasts. As a result of the team’s efforts, the project earned a “recommended” rating from FTA. AECOM will continue to assist the MBTA with its annual New Starts reports to FTA and the request for a full funding grant agreement (FFGA) for the project as it moves toward construction.

Engineering and Architectural Design – AECOM is also leading engineering and design of the project. The first phase in the FTA’s New Starts process will be to prepare preliminary engineering drawings, outline specifications, and develop a construction cost estimate that will provide a greater level of certainty in the overall program budget. Through this phase of the project, the tunnels, station structures, and architectural features will be designed to a preliminary level. Although the fire/life safety systems, facility systems, and transitway systems may be procured under a performance-based specification, these systems will also be engineered to a preliminary level to more accurately assess construction cost. Preliminary construction staging and maintenance and protection of traffic plans were prepared to address the constructibility and associated costs in the construction estimate.