CMB 03 RT Traffic Box

The Oldcastle® CMB 03 RT Traffic Box is a round concrete enclosure with a cast iron ring and lid, designed for H-20 traffic applications when properly installed in reinforced concrete. Available in depths ranging from 6 inches to 10 feet, this enclosure is ideal for water, sewer, electric, and other utility access. Crafted from uncoated cast gray iron that meets ASTM A48 CL30-35B standards, the CMB 03 RT Traffic Box is a durable and reliable solution for high-traffic areas. Made in the USA, this product supports sustainable infrastructure.

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