MSKT Terminal
The MASH Compliant Sequential Kinking Guardrail End Terminal (MSKT) is an energy-absorbing, tangential end terminal, designed to minimise the severity of impacts occurring at the end of the safety barrier system. Designed for attachment directly to w-beam guardrail, the MSKT is latest advancement in guardrail end terminal technology providing compliance with MASH Test Level 3 (TL3) and MASH Test Level 2 (TL2).
The tangential design feature allows the MSKT to be installed parallel to the roadway reducing the requirement for earthworks and site grading associated with traditional parabolic-flared guardrail terminal designs.
Product Features
MASH TL3 Compliant
Containment of a 2270 kg pickup truck travelling at 100 km/h.
Innovative Design
The MSKT is an energy-absorbing tangential guardrail end terminal.
Stable Vehicle Containment
The MSKT impact head slides and sequentially kinks the w-beam guardrail as it moves through the head and exits away from the traffic face.
Rapid Installation
MSKT posts can be driven directly into the ground without concrete.
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Frequently Asked Questions
How does the MSKT work?
The MSKT is an energy-absorbing, tangential end terminal, designed to minimise the severity of impacts occurring at the end of the safety barrier system. During head-on impacts, the MSKT impact head slides and sequentially kinks the w-beam guardrail as it moves through the head and exits away from the traffic face. The kinking action of the guardrail absorbs impact energy and brings the vehicle to a controlled stop.
What is the advantage of the longer feeder chute?
The longer feeder chute design allows the MKT impact head to travel in a more predictable manner and assists vehicle stability.
What crash testing has been performed with the MSKT?
The MSKT has been crash tested in accordance with MASH Test Level 3 (TL3) of the Manual for Assessing Safety Hardware (MASH).
What is a tangential guardrail end terminal?
A tangential guardrail end terminal is aligned parallel to the roadway, rather than flared away from traffic. The terminal impact head directly faces approaching traffic, enabling it to absorb or dissipate energy in a head-on collision.
What are the available MSKT configurations?
The MASH TL3 configuration measures 14.3 m long. The MASH TL3 configuration measures 9.5 m long.
What is the definition of terminal point-of-need?
Since all w-beam guardrail end terminals fall into the gating category, it is important that the terminal point-of-need is identified. This is the location along the terminal that has demonstrated complete containment and re-direction when subjected to a 2,270 kg pick-up truck impacting at 25 degrees. When assessed for MASH TL3 conditions, the speed of the impact is performed at 100 km/h.
What is the MSKT point-of-need?
The MSKT point-of-need is post location 3, a distance of 3.81 m downstream from the start of the terminal.
Can curved guardrails be used for the assembly of the MSKT?
The guardrail beams used for the assembly of the MSKT end terminal must be straight and cannot be factory curved. It is therefore recommended that the guardrail installation be extended to a location that will facilitate parallel alignment of the MSKT with the roadway.
Can the MSKT be installed with an offset to the edge of the roadway?
Yes. The MSKT may be installed on a 25:1 straight flare away from the roadway. This will achieve a 600 mm offset measured from the face of rail over the length of the TL3 configuration. The installation of a straight flare positions the impact head further away from the edge of the travelled way and reduces the potential for nuisance impacts.
How are the MSKT Terminals transported?
The MSKT terminals supplied by Safe Direction are packaged as individual units to facilitate ease of handling.
