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  • Research Report
  • Transportation
  • Feb 1, 2001

    LED Traffic Signal Market Transformation: An Update With Boston-Area Case Studies

    Reviews the activites being conducted to advance this energy-saving technology and proveds specific case studies in the Boston area. Light-emitting diodes (LED) traffic signals save enormous amount…

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    Maximizing State Transportation Investments: How Redirecting Spending from Highway Expansion to Public Transit Supports Economies and Communities
  • Research Report
  • Energy Efficiency Policy
  • Transportation
  • Maximizing State Transportation Investments: How Redirecting Spending from Highway Expansion to Public Transit Supports Economies and Communities

    Costs to deliver transportation projects have risen drastically in recent years. To avoid wasteful spending, each new dollar invested in transportation infrastructur…

    May 13, 2026

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