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Sustainability

SUSTAINABILITY, A PRIORITY IN PUBLIC TRANSIT

Over consumption of energy and the impact of greenhouse-gas emissions is an obvious challenge. Oil and transport are interdependent: 90% of transport fuels are oil-based and 50% of oil produced worldwide is consumed by the transport sector.

WSP | Parsons Brinckerhoff is committed to being a positive influence on the quality of life in the communities we serve around the world. Every day, we seek new ways to develop infrastructure that is not only safe and reliable, but also preserves resources, protects and enhances natural environments and promotes social and economic vitality.

Sustainability is one of our priorities when we start working on a project. We integrate land use and public transport to create vibrant, livable communities. We incorporate energy-saving features in transit systems, develop context-sensitive designs in highway projects and apply construction techniques to salvage and reuse existing materials.

LACMTA - Los Angeles Metro Gold line Eastside LRT

Focus on Environment

We are a member of the US Green Building Council and sponsor of the widely used Leadership in Energy and Environmental Design (LEED) sustainability rating system. In fact, we have LEED accredited professionals around the world, as well as professionals accredited in other rating systems, such as BREEAM.

Possible actions to introduce sustainability into public transport facilities:

  • Installation of solar power units with photovoltaic panels
  • Maximize use of natural lighting and ventilation
  • Rainwater collection and reuse
  • Use of light-emitting diode (LED) signals and fluorescent lighting
  • Occupancy sensors and/or timers
  • Regenerative braking, which feeds energy back into a third rail or an energy storage system such as a battery or flywheel
  • Installation of platform screen doors to reduce train heat brought into stations and allow for a significant reduction in station cooling requirements
  • Creation of sustainable development policies and principles
  • Use of fuel cells for efficient power production with less pollution
  • Use of alternative, environmentally friendly fuels


We have experience with hydrogen fuel-cell vehicles and facilities. We support alternative-fuel bus depots and facilities. We are ideally qualified to provide technical expertise and engineering services to transit agencies and other entities interested in acquiring and operating hydrogen-fuelled buses.