Sign structures, NCHRP 350
For MASH-16 devices, please see the sign structures webpage. For projects let after January 1, 2020, NCHRP 350 devices should NOT be used.
Recoverable Support for Small Sign Delineator
| Product | Manufacturer | Approval Date |
|---|---|---|
| Impact Recovery System Tubular Post and Base | Impact Recovery Systems, Inc. | 2/24/2004 |
| Shur-flex Recoverable Support for Small Sign Delineator (#SF1218LS) | Shur-Tite Products | 8/29/2012 |
| FG300 Vertical Panel (use with reaction rod) | Pexco LLC/Davidson Traffic Control Products | 9/21/2012 |
Breakaway Bases for Square Tube
| Product | Manufacturer | Approval Date |
|---|---|---|
| Snap'n Safe (Square tube) | Designovations, Inc. | 4/28/2006 |
| Kleen Break Model 425 Sign Post Coupler (Square tube) |
Xcessories Squared, Inc. | 4/28/2006 |
| V-LOC | TAPCO | 3/24/2008 |
Slip Bases for Square Tube Sign Structures*
| Product | Manufacturer | Approval Date |
|---|---|---|
| Safe base Multidirectional Slip Base (Square tube) Installation Information (PDF) |
Xcessories Squared, Inc. | 9/9/2005 |
*Note: Slip bases are not allowed to be used on raised surfaces (bridge rails, top of barriers, etc.)