cbtcbook.com — Articles on Communications-Based Train ControlTechnical articles on CBTC procurement, agency case studies, standards, and operations. Drawn from twenty years of US deployment experience.https://cbtcbook.com/en-usHow to Write a CBTC RFP That Doesn't Lock You Into One Vendorhttps://cbtcbook.com/blog/cbtc-rfp-vendor-lockin/https://cbtcbook.com/blog/cbtc-rfp-vendor-lockin/A practical framework for US transit agencies drafting a Communications-Based Train Control procurement that preserves competition for the next 30 years. Drawn from twenty years of US deployment experience.Sat, 09 May 2026 00:00:00 GMTprocurementCBTCRFPprocurementvendor neutralityUS transitIEEE 1474BABAChunjun (Francisco) WangSiemens Trainguard MT vs Alstom Urbalis: Architecture Comparedhttps://cbtcbook.com/blog/trainguard-mt-vs-urbalis-architecture/https://cbtcbook.com/blog/trainguard-mt-vs-urbalis-architecture/A neutral architectural comparison of Siemens Trainguard MT and Alstom Urbalis CBTC platforms, oriented to US transit agency procurement decisions.Sat, 09 May 2026 00:00:00 GMTcomparativeSiemens Trainguard MTAlstom UrbalisCBTC vendorsprocurementcomparisonChunjun (Francisco) WangWhat Is Communications-Based Train Control (CBTC)? A 2026 Plain-English Guidehttps://cbtcbook.com/blog/what-is-cbtc-2026-guide/https://cbtcbook.com/blog/what-is-cbtc-2026-guide/Communications-Based Train Control (CBTC) explained for US transit professionals: what it is, how it works, why agencies adopt it, and where it stands in 2026.Sat, 09 May 2026 00:00:00 GMTdefinitionalCBTCsignalingmoving blockATPATOATSUS transitIEEE 1474Chunjun (Francisco) Wang