Sonnier Traffic Control & Security LLC

What We Do

Traffic Control Services

Certified, equipped, and ready to deploy — from a single flagger to a full project setup.

We provide end-to-end traffic control solutions for public agencies, general contractors, utility companies, and private sector clients across Louisiana, Mississippi, and Texas.

01

Certified flaggers. On time, every time.

Traffic Flagging

Our ATSSA-certified flaggers are trained to manage traffic flow safely and efficiently through active work zones. Whether you need one flagger or a full crew, we staff to your schedule — including nights, weekends, and holidays.

  • ATSSA-certified flaggers
  • Day, night, and weekend availability
  • Single flaggers to full crews
  • High-visibility PPE provided
02

Compliant signage, placed right.

Temporary Road Signs

We supply, deliver, and install all required temporary traffic control signage in compliance with the MUTCD and state DOT standards. From speed reductions to detour routes, we handle the full sign package for your project.

  • MUTCD-compliant signage
  • Speed reduction & warning signs
  • Detour & directional markers
  • Delivery, installation & removal
03

Full closure management, start to finish.

Road Closures & Lane Control

From permit coordination to final cleanup, we manage complete road closures and lane control setups for construction, utility work, special events, and emergency response. We work with DOTs, municipalities, and contractors to keep projects moving safely.

  • Full & partial road closures
  • Lane shifts & tapers
  • Permit coordination support
  • DOT & municipal compliance
04

Everything your work zone needs.

Equipment Supply & Management

We source, deliver, and manage all traffic control equipment for your project — cones, barrels, barricades, arrow boards, message boards, and more. Equipment is inspected, maintained, and deployed to spec.

  • Cones, barrels & barricades
  • Arrow boards & message boards
  • Delivery, setup & retrieval
  • Inspected & maintained fleet
05

When the unexpected happens, we respond.

24/7 Emergency Callouts

Accidents, utility breaks, storm damage — emergencies don't wait for business hours. Our emergency response team is available 24 hours a day, 7 days a week, 365 days a year to deploy traffic control at a moment's notice.

  • 24/7/365 availability
  • Rapid deployment
  • Accident & incident response
  • Utility & storm emergency support