Article: South Dakota's Interstate System Turns 50 Years Old, Remains Critical Link in State's Transportation System

PIERRE, S.D., June 29 /U.S. Newswire/ -- For the last 50 years, South Dakota's Interstate Highway System has remained the most critical link in the state's transportation network, saving South Dakota residents $1.37 billion annually - $1,776 per person- in safety benefits, saved time, reduced fuel and lower consumer costs. But some of the benefits of South Dakota's Interstate Highway System may erode unless the state can secure additional funds for needed maintenance and widening projects, according to a new report released today by TRIP, a national nonprofit transportation research group.

The TRIP report, entitled "Saving Lives, Time and Money: A report

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