A breakaway support for use on the National Highway System, each consisted of a callbox, a 102-mm diameter by 4267-mm steel pole conforming to ASTM A 500, with an A.B.Chance auger foundation, a "Call … [Read more...] about TTY Call Box
Sign Supports
Zephyr® Sign Stand
A compact sign stand mounted on a rubber overmolded steel plate. The metal mast extending no higher than the bottom of the diamond warning sign. … [Read more...] about Zephyr® Sign Stand
A Comparison of Pressure Treated Wood and Cedar Signposts
This report compares the use of pressure treated wood and cedar for signposts. Both materials are being used by the Oregon Department of Transportation (ODOT), however sign crews are now primarily … [Read more...] about A Comparison of Pressure Treated Wood and Cedar Signposts
Single-post, temporary sign support with sandbag ballast
Oregon DOT has a single-post temporary sign support (TSS) for the installation of signs less than 9 sq. ft. The state allows the placement of ballast in the form of sandbags on the legs of the TSS. … [Read more...] about Single-post, temporary sign support with sandbag ballast
Single-post, temporary sign support with sandbag ballast
Texas DOT has approved 3 designs for single-post skid-type sign supports where sandbag ballasting is appropriate. They are detailed in their "Compliant Work Zone Traffic Control Devices List" which … [Read more...] about Single-post, temporary sign support with sandbag ballast
Single-post, temporary sign support with sandbag ballast
New York uses all sorts of temporary sign supports. The state uses permanent posts embedded in the ground for long-term work zone signs. Single-post spring-loaded sign stands (Windmaster or … [Read more...] about Single-post, temporary sign support with sandbag ballast