Nippon Koei is highly competitive in the field of Metro Rail and specializes in the design of compatible solutions with a sustainable development. We carry out numerous amount of transport infrastructure works for public and private organizations, developing all phases of the project: feasibility studies, preliminary drafts, preliminary and detailed design, environmental impact studies, technical assistance in tenders and awards, supervision of work and operation and maintenance. We design and adapt lines for any climates, speeds, axle loads and volumes. We can upgrade lines without interrupting the daily traffic in compliance with the highest standards of safety and quality. Our extensive experience encompasses, bridges, architecture and stations, Depots design, Earthworks, power supply and transmission, signalling & telecommunications, rolling stock, Utilities diversion, gauge conversion and yard re-modelling.