Resource Guide

MASH vs NCHRP 350: What’s the Difference for Work Zone Devices? If you work in highway construction, traffic control, or public infrastructure, you’ve likely seen specifications referencing either NCHRP 350 or MASH. But what do these standards actually mean — and which one applies today? Understanding the difference is critical when selecting barricades, traffic drums, temporary barriers, or TMA accessories. … Continue reading “MASH vs NCHRP 350 explained”