Western Interchange of Hillsborough Bypass Hillsborough, New Hampshire Owner NH DOT Project Type Roadway and Bridge Construction Sargent Corporation Role General Contractor Architect NH DOT Start/Finish 4/00—6/02 Description/Significance In March of 2000, Phase Three construction of the Western Interchange, the largest and most complex of the four phases was awarded to Sargent Corpora- tion for $12.7 million do

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