Member Directory


Association of American Railroads
Transportation Technology Center
P.O. Box 11130
Pueblo  CO  81001
United States
Tel: +1 719-584-0658
Fax: +1 719-584-0791

Association of American Railroads Logo

The Transportation Technology Center, Inc. (TTCI) is a wholly owned subsidiary of the Association of American Railroads.  TTCI is a world-class transportation research and testing organization, providing emerging technology solutions for the railway industry throughout North America and the world.

LonMark Contact Information:

Thomas Nast
Electrical Engineer
Tel: +1 719-584-0658
E-mail: tom_nast(a)


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Association of American Railroads
joined LonMark as a Member over 20 years ago.


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