New System Installation
A Turnkey Contractor in New Transit Design,
Construction and Installation
As general contractor and technology supplier and with over two decades of experience, SDI is uniquely qualified as a turnkey contractor in new system design, construction and installation including system alignment, utility relocation, foundations, elevated cast in place or precast super structures, station construction, the electrical power feed, distribution and control system as well as the rolling stock.

SDI proved their capabilities with the successful installation of the fully-automated, state-of-the-art transit system for Clarian Health Partners, Inc. and the City of Indianapolis. Fast-tracking this highly complex 40 million dollar project from conception to completion in just two years won SDI great acclaim. The continued successful operation and maintenance of this installation is proof that SDI's technology is safe, reliable and advanced.
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1 408 281 9300
198 Hillsdale Avenue
San Jose, California 95136
U.S.A.