Speed Zone & Pacing Audit

Speed Zone & Pacing Analysis

Audit the legal validity of the speed zone and analyze whether the officer's pacing testimony is geometrically consistent with the alleged speed.

Speed Zone Legal Audit

Answer each question based on what you know or can find via public records. Unknown answers identify what to request.

Is the posted limit the statutory default?High Impact

Is the posted speed limit 25 mph (urban), 50 mph (non-urban), or 60 mph (state highway)?

Engineering and traffic study exists for this zoneHigh Impact

Has the jurisdiction produced an engineering and traffic investigation study establishing this speed limit?

Ordinance or resolution establishing this speed limitHigh Impact

Has the jurisdiction adopted a specific ordinance, resolution, or traffic control order establishing this speed limit?

Speed limit sign complies with MUTCDMedium

Does the speed limit sign comply with MUTCD specifications for size (R2-1), color (black on white), retroreflectivity, and mounting height?

Speed limit sign is clearly visible from the roadMedium

Is the speed limit sign clearly visible to a driver approaching from your direction, without obstruction by foliage, structures, or other signs?

Speed limit sign is properly placedMedium

Is the speed limit sign placed at the beginning of the speed zone, with advance warning signs where required?

School zone was active at the time of the infractionHigh Impact

If this is a school zone, was the reduced speed limit in effect at the time of the infraction (school days, during arrival/dismissal hours)?

Work zone was active at the time of the infractionHigh Impact

If this is a work zone, were workers actually present at the time of the infraction?

Pacing Geometry Calculator

Enter the pacing details from the officer's report. The calculator checks whether the alleged pace is geometrically consistent with State v. Baker requirements.

Your notes are not legal advice — they are your own observations for your personal case file.

For informational purposes only. Not legal advice. Washington State IRLJ and RCW apply.