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MASH (Manual for Assessing Safety Hardware)

Transpo is the largest distributor of Trinity Highway Products in the Northeast. We offer a variety of different MASH products that help keep work zones safe. All our products are NCHRP 350 approved and help control traffic flow and movement to keep workers and pedestrians safe. Work with our team of experts to devise a solution tailored to your specific construction site needs.


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Transpo Industries is a transportation infrastructure safety and materials company, founded in 1968. Its executive management has over 130 years of collective industry expertise and has been working together for decades. Transpo’s influence extends far beyond its sales and engineering operations.

Contact Info

20 Jones Street
New Rochelle, NY 10801

Phone: 914.636.1000
Toll Free: 800.321.7870

Fax: 914.636.1282

E-Mail: info@transpo.com