KNOW THE FACTS

FREQUENTLY ASKED QUESTIONS

How has the X-Lite been tested?

The X-Lite Guardrail End Terminal meets the guidelines contained in National Cooperative Highway Research Program (NCHRP) Report 350 and has successfully passed crash and safety tests in accordance with Federal Highway Administration (FHWA) standards and criteria. The crash tests matrix for the X-Lite system was developed in consultation with the FHWA’s Office of Safety Design – and the X-Lite system was tested in tangent and flared configurations in accordance with the guidelines of NCHRP Report 350 at Test Level 3 (100 km/h). The FHWA published Safety Eligibility Letter CC-120 finding the X-Lite acceptable for use on America’s roadways and eligible for Federal transportation funding on September 7, 2011; further, an FHWA expert recently confirmed that the original laboratory crash testing for the X‑Lite was performed in accordance with NCHRP Report 350 guidance and indicated that there were no notable concerns with the original test report.

Who performed the tests?

Crash tests were performed in compliance with federal laws and guidelines at Safe Technologies, Inc., an independent, wholly-owned subsidiary of Lindsay Transportation Solutions. Safe Technologies, Inc. is ISO‑certified and fully accredited by A2LA and inspected twice each year by independent evaluators. The facility is recognized by the Federal Highway Administration (FHWA) to perform full-scale crash tests per Manual for Assessing Safety Hardware (MASH) and National Cooperative Highway Research Program (NCHRP) Report 350 standards.

What are the current requirements for guardrail end terminals installed on the National Highway System?

According to the Federal Highway Administration (FHWA), it is FHWA Policy that roadside safety hardware installed on the National Highway System (NHS) should be in compliance with the crash testing and evaluation criteria contained in the Manual for Assessing Safety Hardware (MASH) or its predecessor the National Cooperative Highway Research Program (NCHRP) Report 350. The FHWA has stated that devices that are in compliance with either of these two sets of criteria are currently considered crashworthy devices.

Who is responsible for installation and maintenance of the X-Lite?

State Departments of Transportation and their selected contractors are responsible for proper installation, maintenance and inspection of road safety equipment. According to the Federal Highway Administration (FHWA), it is the responsibility of the agency who owns a given “facility” to determine whether or not to use a particular hardware device and how to use it for the particular situation.

What factors may contribute to the potential for injury when a driver fails to stay on the road?

A variety of factors may contribute to the potential for injury when a driver fails to stay on the road, including speed, size and type of vehicle; the angle at which a vehicle makes impact; road conditions; driver impairment; and whether or not the equipment was installed and maintained properly.

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