The simple guardrail GS2 is a generic product of the French state. GS2 has constituted the base of the lateral restraint systems on the French roads for more than 40 years.

Characteristics

GS2 is made up of a profile A rail, spacers and C100 posts spaced every 2 meters. It is different from GS4 by its spacing.

The impact made the posts bend, be detached from rails, and the guardrail forms a pocket. The vehicle is then redirected by the rail which plays the part of a belt.

A removable version of GS2 described in NF P98-410 standards exists, as well as a range of accessories : transitions, terminals.

Performance

The simple guardrail GS2 is a generic product of the French state related level N2, according to the EN 1317-2 standards. However, GS2 does not completely fulfill the criteria of the European standards because spacers of 3,2 kg are ejected during the crash-tests. Indeed the European standards, in its 2005 version, does not tolerate the ejection of objects over 2 kg.

The simple guardrail GS2 is approved by the n°88-49 ministerial circular of May 9, 1988.

Containment level : related N2

Working width : W5 (1,34m)

ASI : A

Installation, durability and maintenance

Concerning the installation of simple guardrail GS2, it is advisable to refer to the n°88-49 circular of approval of May 9, 1988.