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Interstate Memories

These quotes were excerpted from the August/September 1991 special interstate edition of the Bulletin.


Robert Mannell

“We went from scheme A to scheme plus-X, 26 variations in all, before one finally met everyone’s needs, The further we got into the project, the more complicated it became. Part of the way through the design, Metrorail evolved and design modifications had to be made for it.”

Robert Mannell
Former Assistant State Location and Design Engineer, discussing his work on the original Springfield Interchange -- I-95/I-395 Mixing Bowl.