The Corps of Engineers Sign Standards Manual is the go-to resource for all aspects of signs for the Corps. The manual is a supplement to the Corps Graphics Standards Manual (EP 310-1-6), and is published as an Engineer Pamphlet, EP 310-1-6a and EP 310-1-6b.
The Sign Standards Manual is available digitally at the links provided below. Volume I, EP 310-1-6a, was extensively revised in 2006. Volume II has not been revised for several years and is available in PDF form.
** Update 3 April 2015: The Sign Advisory Work Group and the Sign Program MCX are presently reviewing both volumes of the Sign manual and are looking to have it published late FY15 or early FY16, to include all Danger, Caution, and Warning signs approved since the 2006 release.
For questions regarding the Sign Standards Manual, Volume I, contact AJ Jensen, National Sign Program Manager, at the Sign Standards Program MCX, (816) 389-3840 or Erin Krug MCX (651) 290-5576. For questions regarding engineering, manufacturing, structure of signs, or waterway signs, contact Tim Grundhoffer, National Sign Program MCX Engineering & Waterway Support, (651) 290-5574.
The revised 2006 edition of the Sign Standards Manual is available only in digital format, not from the Publications Depot. There are no hard copies remaining at the Publications Depot of the Sign Standards Manual.
Do not throw away hard copies of the manual. It contains actual sheeting materials and color charts that will not be reproduced and/or do not reproduce consistently with computer monitors and printers.