SLED™ Sentry Longitudinal Energy Dissipater
Manual for Assessing Safety Hardware
The Sentry Longitudinal Energy Dissipater (SLED) is a narrow, non-redirective gating crash cushion. SLED is designed to shield the end of all permanent and temporary portable barrier shapes including concrete, steel and plastic. SLED's unique design incorporates four internal steel cables which help envelop the impacting vehicle, reducing the possibility of secondary accidents. The SLED End Treatment does not require foundation anchor bolts to be attached to the road or bridge deck. The complete crash cushion can be installed quickly, with as little as one pick up truck and two workers on compacted dirt, gravel, decomposed granite, asphalt or concrete.
Each SLED module is manufactured from a high visibility yellow polyethylene that is UV stabilized to minimize degradation. It is designed to deform and rupture on impact, absorbing the energy of the errant vehicle. SLED has the most versatile transition for shielding all permanent and temporary portable barriers. The combination of hinging and contouring, allows the transition panels of the SLED End Treatment to be attached to narrow, wide or other profile shapes with either converging, or diverging angles, up to 10 degrees.
TL-1 Specifications
| Weight | Empty 675 lbs. |
| Filled 2,505 lbs. | |
| Length | 12' 7" |
| Width | 22 ½" |
| Height | 42" |
| Speed Rating | 31 mph |
TL-2 Specifications
| Weight | Empty 835 lbs. |
| Filled 4,505 lbs. | |
| Length | 18' 11" |
| Width | 22 ½" |
| Height | 42" |
| Speed Rating | 45 mph |
TL-3 Specifications
| Weight | Empty 995 lbs. |
| Filled 6,505 lbs. | |
| Length | 25' 3" |
| Width | 22 ½" |
| Height | 42" |
| Speed Rating | 62 mph |
Features
- FHWA Accepted for Shielding the Blunt End of Concrete, Steel and Water Filled Barriers
- Quick and Easy Set-Up, No Foundation Anchoring, Minimized Installation Exposure Time
- Cost Effective End Treatment for Concrete, Steel or Water Filled Barriers
- Universal Transition Quickly and Easily Attaches to a Variety of Barrier Shapes and Sizes
- SLED's Stout Design Virtually Eliminates Vaulting
- Narrow Footprint is Ideal for Work Zones or Roads with Minimal Shoulder Spacing
- Shortest Length TL-3 Water Filled Crash Cushion, Fewer Incidental Impacts
- Containment Impact SLED Minimizes Debris Field
- Visual "Drive By" Fill Indicators Quickly Verify Water Module's are Properly Filled
- FHWA Accepted for Use in Uni- and Bi- Directional Applications
- Internal Steel Cables Help Envelop Vehicle After an Impact, Creating a Truly "Limited Gating" System
Images
https://schneider-dev.com/zh/sled-energy-dissipater#sigProId2093c01446
Videos
♦ SLED I-10 Installation
East of Indio, CA, along the I-10 freeway that connects Arizona and California, there is a highway construction project that uses 121 TL-3 SLED Attenuators to provide safe end treatments for the concrete barriers. These SLED end treatment attenuators protect the lives of motorists 24 hours a day.
♦ SLED Introduction
The SLED End Treatment is a high-density polyethylene (HDPE) water filled crash cushion designed to shield the end of permanent and portable barrier shapes including concrete, steel, and plastic. The SLED End Treatment modules are designed for uni- and bi-directional traffic applications where a gating device is acceptable to the road authority.
♦ SLED Installation Guide
SLED Installation Guide - The SLED End Treatment is a high-density polyethylene (HDPE) water filled crash cushion designed to shield the end of permanent and portable barrier shapes including concrete, steel, and plastic. The SLED End Treatment modules are designed for uni- and bi-directional traffic applications where a gating device is acceptable to the road authority.
♦ SLED Information
TrafFix SLED - The Sentry Longitudinal Energy Dissipater (SLED) is a narrow, non-redirective gating crash cushion. SLED is designed to shield the end of all permanent and portable barrier shapes including concrete, steel and plastic. SLED's unique design incorporates (4) internal steel cables which eliminates the need for any external steel. The SLED End Treatment does not require foundation anchor bolts to be attached to the road or bridge surface. The complete crash cushion can be installed on firm soil, asphalt or concrete.
♦ SLED Crash Testing
SLED (Sentry Longitudinal Energy Dissipater) - Crash Test Video Footage
♦ Water-Filled Barrier Repair
This video will quickly walk you through how to go about repairing a TrafFix Devices Water-Filled Barrier; including: SLED, SLED Euro-Terminal, Water-Wall, and Sentry Water-Cable Barrier.
Documents