Owner: Massachusetts Department of Transportation Products: Steelflex ® Modular Expansion Joint Systems (D-160, D-240, D-320, D-400) SSPA Steelflex ® Strip Seal Expansion Joint Systems Versiflex ™ Elastomeric Bearing Assemblies Versiflex ™ HLMR Pot Bearing Assemblies 18 Project Description Boston’s Big Dig is much more than just the tunnel beneath Boston Harbor. It also includes a total of 14 traffic lanes on distinctive twin spans crossin

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