Clear Results.
Clear Compliance.
Serving trucking companies, transportation fleets, construction firms, and employers across all DOT-regulated industries.
24–48hr
Result Turnaround
CLOSED
Try Again Next Business Day
24/7
Emergency Testing
Hours of Operation: Mon–Fri 9–5 · Sat 9–2 by appointment only
Online Appointment Booking
Schedule Your DOT Test
Step 1 — Booking Type
Step 2 — Service Type
Profile verification required before payment.
What We Offer
Testing Services
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Employer Accounts
Manage your entire DOT compliance program in one place. Order tests, track results, manage billing, and stay audit-ready.
- Centralized billing & invoicing
- Real-time result notifications
- Automated random selection programs
- Dedicated account manager
📍 Location
826 E Avenue R, Palmdale, CA 93550
24/7 Emergency Testing
DOT regulations require post-accident testing as soon as possible. Our emergency response team is available around the clock.
Emergency Hotline
844-4-CLRPATH
Available 24 hours, 7 days a week
Platform Access