The FCIO Railways Nairobi office is situated along the main Railways terminal buildings opposite the Kenya Railways Police Station and housed within Formation premises next to the commandant Railways office.

THE ROLES AND CORE FUNCTIONS OF DCI RAILWAYS FORMATION
i. Collect and share criminal intelligence to safeguard Kenya Railways Corporation’s property and interest on stations, platforms, trains (commuter,  passenger and cargo), workshops and goods on transit.
ii. Undertake investigation on crime against property or persons conveyed over the Railways and roads by the Kenya Railways Corporation throughout the Corporation areas of operation, including claims, complaints or irregularities in connection with conveyance of goods, passengers, missing goods and accidents on Railways.
iii. Detect and prevent crimes, including terrorism and organized crimes within Kenya Railways Corporation jurisdiction.
iv. Maintain law and order, apprehension of offenders at the Kenya Railways Corporation stations throughout the Republic.
v. Protection of wild animals and their trophies in the parks.