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Sustainable Highways Research, analysis, and practical insight on roads and transportation infrastructure.

Independent publication

1 Planning and scoping
  1. Was the need for the project tied to measured condition, safety or travel data rather than a request alone? 3 pts

    Background reading
  2. Were lower-cost alternatives, such as operational fixes or preservation, evaluated before committing to reconstruction or widening? 3 pts

    Background reading
  3. Did scoping include a screen for flooding, heat or other climate exposure over the asset's design life? 2 pts

    Background reading
  4. Were walking, cycling and transit needs in the corridor identified and documented? 2 pts

    Background reading
  5. Were freight movements and truck parking needs on the corridor considered? 2 pts

    Background reading
  6. Did the public and affected communities have a meaningful chance to shape alternatives before one was selected? 2 pts

    Background reading
2 Design
  1. Was pavement type or rehabilitation strategy chosen with a lifecycle cost analysis covering at least one future rehabilitation? 3 pts

    Background reading
  2. Does the design specify reclaimed asphalt, recycled concrete aggregate or other recycled content where the specification allows it? 3 pts

    Background reading
  3. Were environmental product declarations requested or used to compare the carbon of major materials? 2 pts

    Background reading
  4. Does the drainage design treat stormwater quality, not just conveyance? 2 pts

    Background reading
  5. Were wildlife movement and crossing locations studied, with crossings or fencing included where warranted? 2 pts

    Background reading
  6. Was a systemic or data-driven safety review applied, such as a road safety audit or crash modification factors? 2 pts

    Background reading
  7. Is the earthwork plan designed to balance cut and fill and keep haul distances short? 2 pts

    Background reading
  8. Does roadway and sign lighting use LED or other low-energy fixtures with controls? 1 pts

    Background reading
3 Construction
  1. Does the contract require or reward warm mix asphalt or other lower-temperature production where asphalt is used? 3 pts

    Background reading
  2. Are there requirements to limit equipment idling or to use newer or cleaner engines? 2 pts

    Background reading
  3. Is there a construction waste plan with targets for recycling or reuse of demolished pavement and structures? 2 pts

    Background reading
  4. Is there a transportation management plan that addresses work zone safety and delay, including crash data review during the job? 3 pts

    Background reading
  5. Are erosion and sediment controls inspected on a schedule and after storms? 2 pts

    Background reading
  6. Does acceptance testing include smoothness and density measures that are tied to pay adjustments? 2 pts

    Background reading
4 Operations and maintenance
  1. Is the facility in a pavement or bridge management system that schedules preservation before deterioration accelerates? 3 pts

    Background reading
  2. Are traffic operations tools in use, such as incident management, signal retiming or variable speed limits? 2 pts

    Background reading
  3. Is roadside vegetation managed to reduce mowing and herbicide use and support native habitat? 2 pts

    Background reading
  4. Are winter maintenance practices calibrated to limit salt use while meeting level-of-service targets? 2 pts

    Background reading
  5. Are bridges on a preservation cycle that includes joint, bearing and deck sealing work? 2 pts

    Background reading
5 Measuring results
  1. Are the condition and performance of the finished project tracked against the targets set at design? 2 pts

    Background reading
  2. Is crash performance reviewed after opening, compared with the period before construction? 2 pts

    Background reading
  3. Were material quantities and their carbon recorded at closeout so future projects can compare? 2 pts

    Background reading
  4. Has the project team published or shared lessons learned with peer agencies? 1 pts

    Background reading

Where this checklist comes from

For fourteen years this address hosted a federal self-evaluation tool that let agencies score their own road projects against voluntary practices. FHWA withdrew it in 2025, and the history of the INVEST program records what it measured and who used it. This checklist is not that tool and repeats none of its text. It is a short independent screen built around the practices this publication covers in depth, each linked to the article that explains the evidence behind it.

Points are weighted by how early and how cheaply a practice can change a project's outcome. Questions worth 3 points sit mostly in planning and design, where a decision about scope, pavement strategy or recycled content sets costs and emissions for decades. Questions worth 1 point matter but rarely change the result on their own.

How the score works

A full yes earns all of a question's points, a partial answer earns half, and no earns nothing. Marking a question not applicable removes its points from the total possible, so a rural resurfacing job is not penalized for having no transit service to accommodate. The percentage is points earned divided by points possible across the questions you answered, and the phase bars use the same arithmetic within each phase.

The four result bands are descriptive, not a rating. Formal systems such as Envision use third-party verification and far more detailed credits, and the comparison in INVEST, Envision and Greenroads compared covers what each one measures and how much evidence exists that they change outcomes.

Questions

Is this the FHWA INVEST tool?

No. INVEST was a federal self-evaluation tool that FHWA hosted at this address until 2025. This checklist is an independent, much shorter set of questions written for this site. It does not reproduce INVEST criteria and carries no federal standing.

What does a high score mean?

It means the project team reports doing more of the listed practices. Like any self-assessment, the score depends on honest answers and is not verified by a third party. Use it to find gaps and start a conversation, not to certify a project.

Are my answers stored anywhere?

Answers stay in your own browser so you can come back to them. Nothing is sent to a server. Clearing the form or your browser data removes them.


Sources

  1. Research Moves the Nation Forward: The FHWA 2015 R&T Story (FHWA-HRT-14-091), INVEST section Federal Highway Administration, 2014
  2. Sustainability Federal Highway Administration, Office of Planning, Environment, and Realty, 2026
  3. Envision: Sustainable Infrastructure Framework Institute for Sustainable Infrastructure, 2026

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