Below is a comprehensive list of Dicke sign stands, clicking on a model number will bring up the corresponding FHWA Acceptance (WZ) Letter in pdf format. Models with (2) next to them are covered under 2 WZ letters, click on the model number and/or the (2). Note: Some documents are large and may take several minutes to open.

Aren't all roll-up signs with compact stands crashworthy? Questions and answers WZ-85 - Page 5, Question #2.