Certified & compliant
DBE and SBE certified, a PennDOT Business Partner, and OSHA compliant. Our flaggers are ATSSA certified, and our work zones follow MUTCD and PennDOT Pub 213 standards.
Why Us
Why contractors choose One Flagger.
Certified crews, fast response, and paperwork that's ready for public work. Here's what you get when you hire us.
Safety first
Trained, certified crews on every job. We issue required PPE, including Class 3 high-visibility vests and pants and hard hats, because the people in our work zones depend on it.
Reliable & responsive
On call 24/7 for emergencies and storm response. Scheduled work is typically booked with 24 to 72 hours' notice, and we respond fast.
Proven experience
In business since 2022, with 500+ projects completed, from one-day utility repairs to multi-month road construction.
Bilingual crews
Our team speaks English and Spanish, on the job site and on the phone. Hablamos inglés y español.
Wide coverage, no distance limits
Based in Hazleton, PA and working statewide, plus NJ, CT and beyond. We don't turn down work based on distance.
Prevailing-wage ready
Certified payroll on public jobs, clear written proposals, ACH invoicing tied to hours worked, and a certificate of insurance on request.
Powered by The Yard
Our own platform for scheduling, crews, and documentation, so the right certified people show up where and when you need them.
500+Projects Completed
2022In Business Since
24/7Emergency Response
Our Story
Built on safety. Driven by service.
One Flagger Inc is a professional traffic control company based in Hazleton, Pennsylvania, providing certified flaggers and traffic management to contractors, municipalities, utility companies, and government agencies. Our team is trained and certified to the highest industry standards, including ATSSA, OSHA, and CPR.
Whether it's a one-day utility repair or a multi-month road construction project, we bring the same professionalism and reliability to every job, in English and Spanish.
- DBE CertifiedDisadvantaged Business
- SBE CertifiedSmall Business Enterprise
- OSHA CompliantSafety Compliant
- ATSSA CertifiedCertified Flaggers
- PennDOT Business PartnerBusiness Partner
In the Field
On the job.
Put a certified crew on your next job.
Tell us about your job site, dates, and scope, and we'll put together a clear proposal. We respond fast.