Demiryolu Standartları
Railroad Track Standards
http://www.usace.army.mil/inet/usace-docs/armytm/tm5-628/
Demiryolu Yapıları Sistemi Tasarımı
Railroad Track Structure System Design
http://www.nationalacademies.org/trb/publications/millennium/00095.pdf
Hemzemin Geçitler:Geleceğe Bir Bakış
Railroad-Highway Grade Crossings: A Look Forward
http://www.nationalacademies.org/trb/publications/millennium/00096.pdf