Professional discipline

Traffic engineer

Reviews traffic-impact studies, sight distance, and access design.

Community Response Directory

We list disciplines, not individual practitioners. To find a specific person, use the professional society's directory below and verify credentials before hiring.

Cost band

$$$Often $5,000+

Bands are national estimates. Verify locally.

Geographic limits

P.E. licensed by state; PTOE certification is a useful credential.

Best use cases

  • Peer review of a developer's traffic-impact study
  • Sight-distance assessment at a proposed access
  • Crash-history analysis for a contested intersection

Not the right call when

  • Your concern is a single signal-timing complaint (call the traffic engineer at city hall)

What you'll get

  • Peer-review memo of a traffic study
  • Independent traffic study
  • Expert testimony

When to hire one

  • You need an independent review of a developer's traffic study

What they will ask you for

  • Developer's traffic study
  • Crash history
  • Intersection geometry

Topics where this discipline helps

Listing does not imply endorsement. Last reviewed June 2026.