AI plan review that cites the clause.
PlanCheck reads plans the way an experienced reviewer does. It checks every sheet against MUTCD and your local guidelines and turns weeks of redlining into minutes of reviewer-ready comments.
Upload. Review. Redline.
Upload the plan set
PDF sets of any size — PlanCheck reads every sheet, title block and detail.
AI reviews every sheet
Geometry, signs, devices, notes and quantities are checked against MUTCD and your standards.
Get the redline report
Each comment cites the clause, sheet and standard, ranked by severity, exported to PDF.
Built for reviewers and designers.
MUTCD engine, ready on day one
A pre-built review engine for temporary traffic control, signing and markings — no setup before your first review.
Your local standards
Layer your state supplement, city standards and agency guidelines on top, so reviews match what your reviewers actually enforce.
Custom review engines
Train PlanCheck on your own approved plans and past comments to catch the issues your team cares about most.
Cost, spec and consistency agents
Quantity and cost estimates, spec sheet checks and cross-sheet consistency — beyond pure compliance.
Traceable comments
Every flag links to the exact clause, sheet and standard it came from, so reviewers can verify it in seconds.
Off-sheet redline report
A clean, ranked comment report exported to PDF — ready to send back to the designer.
Design in AI Studio. Check with PlanCheck.
Traffic control plans drafted in LaneMarker AI Studio already cite their rules. Run them through PlanCheck with your local supplement before submittal, and they arrive at the agency clean.
Traffic control plans in AI StudioRedlining time for a typical plan set.
Reviewed, not sampled.
No comment without a source.
MUTCD plus local standards.
PlanCheck — questions
What plans can PlanCheck review?
Can it learn our agency’s standards?
Who uses PlanCheck?
How is PlanCheck priced?
See PlanCheck on one of your plan sets.
Send us a plan set you have already reviewed. We'll run PlanCheck on it and walk through the comments side by side with yours.