A standard octagonal sign available at Traffic Safety Warehouse for $31.49 – $233.95 depending on size and reflectivity.
: Professional signs use rust-proof aluminum, often with a 3M-approved laminate to protect against UV rays and graffiti. buy road signs
Options range from 5 MPH to 55 MPH. A 15 MPH sign (18"x12") is available from RoadTrafficSigns.com for $25.86. Aluminum YIELD Sign (R1-2) Traffic Safety Warehouse Go to product viewer dialog for this item. A standard octagonal sign available at Traffic Safety
Speed Limit Sign, Speed Limit 15 Sign, MUTCD R2-1-15 Engineer Grade Reflective Aluminum Sign, 18"x12" RoadTrafficSigns.com Go to product viewer dialog for this item. Speed Limit 15 Sign
: Most signs come with pre-punched holes for post or fence mounting .