Temporary MASH Barriers From
1st Vanguard
1st Vanguard Rentals & Sales is a licensed dealer of compliant MASH Barrier systems that meet federally mandated guidleines.
COMPLIANT MASH BARRIER SYSTEMS: ARE YOU READY FOR THE CHANGES?
If you have questions about MASH-Compliant Temporary Barrier Systems, First Vanguard can help! CalTrans requirements for temporary barrier systems have begun to take effect. Contractors are being required to use MASH compliant barriers on targeted projects over the next year and a half, and ALL projects after December 31, 2026!
RENTALS & SALES
Temporary Barriers
Crash Systems
Aerial Equipment
General Equipment
Onsite Services
Small Tools & Equipment
PRODUCTS
Mash Barriers
PPE / Personal Protective Equipment
SERVICES
COMPLIANT MASH BARRIER SYSTEMS
HighwayGuard MASH Barriers
1st Vanguard is a licensed distributor of HighwayGuard™ Barrier - Providing reliable protection with a lightweight, galvanized steel design that’s easy to deploy and built to perform. Tested to MASH 16 TL-3 and TL-4 standards, it provides trusted safety in work zones and seamlessly integrates with end-treatments like the QuadGuard® for complete roadway protection.
HighwayGuard MASH Barrier
HighwayGuard MASH Barrier - Curved Sections
HighwayGuard MASH Barrier - Side Profile
Download:
HighwayGuard
MASH Barrier
Spec Sheet
ProMASH Barriers
1st Vanguard is a licensed distributor of ProMASH™ Barrier which has been successfully tested to meet and exceed the new MASH Barrier specifications, providing reliable protection in a trusted product similiar to k-rail.
ProMASH Barrier
ProMASH Barrier Side Profile
Download:
ProMASH Barrier
Spec Sheet
1st Vanguard proudly serves municipalities, public works departments, and licensed contractors across the region. Our team has worked closely with regional traffic authorities for years and understands the specifications and compliance guidelines for your project.
Your Trusted Source for Compliant MASH Barriers
Why Work With Us?
Trusted by local, state and federal agencies
DOT-approved materials and specs
Experience with public bids and procurement
CA based with national capabilities
Why Who We Serve
City governments and municipalities
Public works and transportation departments
Licensed contractors and civil engineers
Urban development and infrastructure teams
Get competitive pricing, expert advice and quick turn-around time. Contact us today for a quote or ask us questions about your project. We’re here to help!
Request A Quote For
Compliant MASH Barrier
ProMASH Temporary Barrier
Highway Onramp Approach, California
HighwayGuard MASH Barrier
Purchased, Delvered & Installed by
1st Vanguard
Give us a call to learn how First Vanguard and our network of suppliers, can help you meet the new mandates as well as your SB/DVBE goals.
Contact us today for a quote or to ask us questions about your project. We’re here to help!

