Premier Traffic Control & Flagging Services in Californa

Services in the SERVICES IN THE GOLDEN STATE

Keeping California's highways, coastal routes, and urban centers safe with reliable, Caltrans-compliant traffic management.
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CALIFORNIA’S TRUSTED PARTNER FOR SAFE TRAFFIC OPERATIONS

Rose City Flagging provides comprehensive traffic planning, certified staffing, and equipment for projects across the Golden State. From urban utility work in the Greater Los Angeles and Bay Area to infrastructure projects in Sacramento or San Diego, we handle jobs of all scales. As an experienced traffic management company, we understand the specific Caltrans (California Department of Transportation) regulations and local municipal codes required to keep your job site compliant and moving.

Californa Flagging Services

Equipment Rental

We offer complete rental solutions including MDT-standard signs, cones, barricades, and message boards for any Montana job site .
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Right of Way Permiting

Our team navigates complex California's and local municipal permit requirements to ensure your project stays on schedule .
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Flagging & Traffic Control

 We provide Certified flaggers for construction, utilities, and events. We ensure every work zone—from local streets to complex freeways.
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Emergency & Storm response

Available 24/7, our crews mobilize rapidly for wildfire response, atmospheric river flooding, and urgent utility repairs
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Traffic Control Plans

We design site-specific, Californa's compliant traffic control plans (TCP) engineered for safety and rapid agency approval.
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Flagging Certification

Master traffic control with industry-leading, job-ready training. Learn the ins and outs of traffic control. Gain hands-on experience with real flagging equipment through expert-led instruction.
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Why Choose Rose City Flagging?

  • Experienced & Reliable:
    Hire the reputation you trust. We meet all safety standards and handle the logistics with local authorities—ensuring you can focus on your core operations.
  • Woman-Owned Business:
    Rose City Flagging is a certified, emerging woman-owned business leading the traffic control industry in the Portland Metro area.
  • Organized & Accountable:
    Advanced planning and communication are at the core of our services. We handle the logistics so you can focus on the construction.

Rose City Flaggers in action

Get a sense of what a job site is like when working with our traffic teams.

Common Washington Flagging QUESTIONs

Our Customers

Hear from past customers on their experience in working with our traffic management teams.

Ready to Simplify Your Next Project?

Don't let the intricacies of right-of-way permits slow you down. Join the numerous construction project managers, contractors, and local businesses who trust us for their traffic control needs.

Providing certified flagging crews to Boise, Meridian, Nampa, Idaho Falls, Caldwell, Pocatello, Coeur d'Alene, Twin Falls, and Post Falls.