Browse Sign Support Systems

Click on a column heading to arrange the list in order associated with that attribute.
* Max Legs is the maximum number of legs allowed within a 7-ft [2.13m] path (width). Additional legs may be allowable for post spacing greater than 7-ft [2.13m].

Name/Designator Image Type TestSpecification MaxLegs* Manufacturer Drawing Status
SSC01a-b
Break-Safe B525 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC02a-b
Break-Safe B650 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC03a-b
Break-Safe AI6 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC04a-b
Break-Safe AS4 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC05a-b
Break-Safe AS3 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC06a-b
Break-Safe AI4 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC07a-b
Break-Safe AP3.0 - AP4.5 System
No Image Coupling (C)  NCHRP Report 350  Transpo Industries, Inc.  Review Complete 
SSC08a-c
Kleen Break Omni-directional Breakaway Sign Post Coupler for Square Posts
No Image Coupling (C)  NCHRP Report 350  Xcessories Squared  Review Complete 
SSC11a
SNAP地 SAFE Round-Post Surface-Mount
No Image Coupling (C)  NCHRP Report 350  Designovations  Review Complete 
SSC12a
SNAP地 SAFE Round-Post Ground-Mount
No Image Coupling (C)  NCHRP Report 350  Designovations  Review Complete 
SSC13a
SNAP地 SAFE U-Channel Post Surface-Mount
No Image Coupling (C)  NCHRP Report 350  Designovations  Review Complete 
SSC14a
SNAP地 SAFE U Channel Post Ground Mount
No Image Coupling (C)  NCHRP Report 350  Designovations  Review Complete 
SSC15a
SNAP地 SAFE Square Post Surface-Mount
No Image Coupling (C)  NCHRP Report 350  Designovations  Review Complete 
SSC16a
SNAP地 SAFE Square-Post Ground-Mount
No Image Coupling (C)  NCHRP Report 350  Designovations  Review Complete 
SSF01a-b
Direct Burial Perforated Steel Tube
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF02a-c
Perforated Steel Tube in Anchor Base
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF10a-b
FRP Sign Post in Concrete
No image. Fracturing/Frangible (F)  NCHRP Report 350    No Drawing 
SSF20a-b
Direct Burial Wood Post
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF21a
Direct Burial Circular Wood Post
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF22a-b
Rectangular Wood Post in Concrete
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF30a
Direct Burial Tubular Aluminum Post
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF31a-b
Direct Burial CP40 Post
No image. Fracturing/Frangible (F)  NCHRP Report 350  Lancaster  No Drawing 
SSF32a-b
CP40 Post in Set Sleeves
No image. Fracturing/Frangible (F)  NCHRP Report 350  Lancaster  No Drawing 
SSF34a-b
CP40 Post in Drive Sleeves
No image. Fracturing/Frangible (F)  NCHRP Report 350  Lancaster  No Drawing 
SSF40a-b
Direct Burial U-Channel Post
No image. Fracturing/Frangible (F)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSF50a-b
Safety Base - SB500
No Image Coupling (C)  NCHRP Report 350  Safety Base  Review Complete 
SSM02a
Model 037 Mailbox Support
No Image Mailbox Supports (M)    Friend Innovations  No Drawing 
SSP01a-c
Franklin Base-Bolted Sign Support System
No image. Splice (P)  NCHRP Report 350  Franklin Industries Co  Review Complete 
SSP04a-c
Lap-Splice Breakaway System
No Image Splice (P)  NCHRP Report 350  Nucor Steel Marion, Inc.  Review Complete 
SSP05a-c
Safety Splice Breakaway System
No image. Splice (P)  NCHRP Report 350  Chicago Heights Steel  No Drawing 
SSP06a
Erect Ease Breakaway System
No image. Splice (P)  NCHRP Report 350  Chicago Heights Steel  No Drawing 
SSP07a-c
Bracer Bar Breakaway System
No image. Splice (P)  NCHRP Report 350  Chicago Heights Steel  No Drawing 
SSP08a-b
Franklin EZE-ERECT Sign Support System
No image. Splice (P)  NCHRP Report 350  Franklin Industries Co  Review Complete 
SSP10a-b
Poz-Loc Yielding Sign Support System
No Image Splice (P)  NCHRP Report 350  Trinity Highway Products  Review Complete 
SSP11a
V-LOC Sign Support System
No Image Splice (P)  NCHRP Report 350  TAPCO  Review Complete 
SSP14a-c
Lap-Splice Breakaway System for Canadian Sign Posts
No Image Splice (P)  NCHRP Report 350  Nucor Steel Marion, Inc.  Review Complete 
SSS01a-b
Rectangular Uni-Directional Slipbase
No image. Slipbase (S)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSS02a
Inclined Rectangular Uni-Directional Slipbase
No image. Slipbase (S)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSS03a
Omni-Directional Slipbase with Tube Post
No image. Slipbase (S)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSS04a
Omni-Directional Slipbase with W-Post
No image. Slipbase (S)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSS06a-b
Round Post Triangular Slipbase System
No Image Slipbase (S)  NCHRP Report 350  Trinity Highway Products  Review Complete 
SSS07a
Included Rectangular Slipbase with Tubular Post
No image. Slipbase (S)  NCHRP Report 350  Non-Proprietary  Review Complete 
SSS08a-c
Redi-Torque Omni-directional Slip Base System for Square Posts
No Image Slipbase (S)  NCHRP Report 350  Xcessories Squared  Review Complete 
SSS09a-c
Redi-Torque Model 280 Omni-directional Slip Base System for Round Posts
No Image Slipbase (S)  NCHRP Report 350  Xcessories Squared  Review Complete 
SSS14a-c
Slip-Safe U-Channel Sign Support
No Image Slipbase (S)  NCHRP Report 350  Nucor Steel Marion, Inc.  Review Complete 
SSS15a-c
Slip-Safe Supreme Sign Support
No Image Slipbase (S)  NCHRP Report 350  Nucor Steel Marion, Inc.  Review Complete 
SSS20a-c
Ulti-Mate Square Tube Slipbase
No image. Slipbase (S)  NCHRP Report 350  Ulti-Mate Highway Products  Review Complete 
SSS21a-b
Multi-directionally Activated Sign Support Hardware System
No image. Slipbase (S)  AASHTO MASH 2016  Xcessories Squared  Review Complete 
SST01a
Crosswalk Pedestal Station
No image. Transformer Base (T)  AASHTO MASH 2016  Frey Manufacturing Corp.  In Review 
SST01b
Pedestrian Signal Pole
No image. Transformer Base (T)  AASHTO MASH 2016  Frey Manufacturing Corp.  In Review