Highway signs are the means by which the road agency communicates the rules, warnings, guidance and other highway information that drivers need to navigate their roads and streets. This guide, which … [Read more...] about Maintenance of Signs and Sign Supports: A Guide for Local Highway and Street Maintenance Personnel
Traffic Signs
Sign Policy
The Oregon Department of Transportation provides and maintains signs on the state highway system including: Directional Regulatory Warning Informational ODOT's Sign Policy … [Read more...] about Sign Policy
Iowa DOT Standard Road Plans
The standard road plans contained in this manual (commonly referred to as the "Red Book") have been developed to show standardized design features, construction methods and approved materials to be … [Read more...] about Iowa DOT Standard Road Plans
2021 Standard Drawings
Standard Drawings are a complete set of drawings, available for both English and Metric versions. Section 600 is for Incidental Construction and Section 800 is for Traffic Control Devices & … [Read more...] about 2021 Standard Drawings
Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
Hawaii DOT has been specifying high-intensity retroreflective sheeting on all of its barricades since the standard specifications were introduced in 1994. Traffic barrels are specified using the same … [Read more...] about Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
See California's AUTHORIZED MATERIAL LIST FOR SIGNING AND DELINEATION MATERIALS for retroreflective sheeting for channelizers, barrier markers, delineators, cone sleeves, and drums on the web site … [Read more...] about Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades