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Frequently Asked Questions - Chicago

FAQs - Chicago
Why was steel-wheel on steel-rail technology selected?

"Steel-on-steel" technology is the most reliable, proven technology available as recommended by a panel of engineering and transit professionals. Oahu voters then specifically approved a steel-on-steel rail transit system in 2008. Honolulu's light-metro rail technology is different from the old heavy elevated rail lines in New York City, Chicago, and elsewhere. The new steel-on-steel system is quiet, smooth, efficient and uses one of the most advanced control technologies in the world.

HART Honolulu Authority for Rapid Transportation