Section 2 (RR) : A section of track of defined length, the use of which is regulated by a fixed signal at the entering end of a double track and at each end of a single track
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}