Class III Railroad : A railroad having gross operating revenues of less than $10,000,000 annually, according to ICC rules. (Note: Do not confuse class of railroad with class of 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}