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Your Trusted Source for Traffic Safety Equipment
Interwest Safety Supply has been a trusted provider of high-quality traffic safety equipment and signs to the government and highway construction industry for over four decades. Our commitment to excellence is reflected in our comprehensive product range, including MUTCD-compliant regulatory signs, work zone safety solutions, pavement markings, and intelligent traffic systems. With five strategically located regional warehouses, we ensure fast and reliable delivery across multiple states. Our experienced team prioritizes customer satisfaction, offering expert guidance and support to meet diverse project requirements. We specialize in durable, high-visibility products engineered to withstand demanding environments while maintaining regulatory compliance.

From custom signage to crash cushions and driver feedback systems, our solutions are designed to enhance road safety and operational efficiency. Our dedication to innovation is evident in advanced offerings like the SurfaceScan road surface temperature monitor and NC-350 Traffic Analyzer. As a family of safety professionals, we combine technical expertise with responsive service to address evolving industry challenges. Our product portfolio includes everything from LED flashing signs to detectable warning mats, catering to both temporary and permanent traffic control needs. Through consistent quality and reliability, we have built long-standing relationships with clients who depend on our solutions for critical infrastructure projects.
Services
Traffic Control Products Safety Signs Pavement Markings Intelligent Traffic Systems Construction Equipment
Highlights and features
  • We offer over 40 years of specialized expertise in traffic safety solutions
  • Five regional warehouses ensure fast delivery across multiple states
  • Our products meet strict MUTCD compliance standards
  • Experienced safety professionals provide expert technical support
  • Comprehensive product range covers all traffic control requirements
Services
Traffic Control Products
Our comprehensive traffic control solutions include drums, cones, delineators, and portable rumble strips engineered for maximum visibility. These products help manage vehicle flow in work zones while meeting federal safety standards. Durable construction ensures longevity in high-traffic areas.
MUTCD Regulatory Signs
We manufacture and distribute MUTCD-compliant regulatory signs in various sizes and reflective grades. Our aluminum signs with Diamond Grade sheeting provide superior nighttime visibility. Pre-punched mounting holes enable quick installation for highway and urban applications.
Pavement Markings
Our pavement marking systems include thermoplastic materials, waterborne paints, and glass beads for optimal road surface visibility. Detectable warning mats and striping paint meet ADA requirements for pedestrian pathways and crosswalks.
Intelligent Traffic Systems
Advanced traffic management solutions feature DMI instruments, radar speed signs, and road surface temperature scanners. These systems provide real-time data collection and driver feedback to improve road safety and traffic flow efficiency.
Work Zone Safety Signs
High-visibility work zone signs like 'Danger Crane Overhead' and 'Keep Out' warnings use durable aluminum construction. These signs meet federal specifications for temporary traffic control, ensuring worker and motorist safety during road projects.
Questions
What types of traffic signs do you offer?
We provide MUTCD-compliant regulatory, warning, and guide signs including custom options. Products range from 'No Left Turn' signs to specialized work zone warnings in multiple reflective grades.
Do you ship to all 50 states?
While we operate five regional warehouses in AZ, CO, NM, NV, and UT, we offer nationwide shipping for all traffic safety products and equipment.
Are your products MUTCD compliant?
Yes, all our regulatory signs and traffic control devices meet or exceed Manual on Uniform Traffic Control Devices specifications for highway safety applications.
What payment methods do you accept?
Please contact our sales team for payment options and commercial account arrangements. We accommodate various business payment methods for large orders.
Do you offer product warranties?
We stand behind our safety equipment with industry-standard warranties. Specific warranty terms vary by product category and manufacturer specifications.