The Oldcastle® CMB 03 RT Traffic Box is a round concrete enclosure with a durable cast iron ring and lid, engineered for H-20 traffic applications when properly installed in reinforced concrete. With depths ranging from 6 inches to 10 feet, this versatile enclosure is ideal for water, sewer, electric, and other utility access. Constructed from uncoated cast gray iron that meets ASTM A48 CL30-35B standards, it delivers exceptional strength and reliability for high-traffic areas. Please note: The cast iron components are currently unavailable from any U.S. manufacturer, making this item exclusively available as an import. However, the concrete box is manufactured in the USA. Contact Bass & Hays or call us today Toll Free 1-800-258-2278 -or- 972-263-1360 DFW Metro to check stock, request drawings or submittals, or place orders.
