Commonwealth of Pennsylvania

07/30/2026 | Press release | Distributed by Public on 07/30/2026 12:36

Shapiro Administration Expands Interstate Network with the New Designation of Interstate 99 in Lycoming and Tioga Counties

July 30, 2026 - Montoursville, PA

Shapiro Administration Expands Interstate Network with the New Designation of Interstate 99 in Lycoming and Tioga Counties

Pennsylvania Department of Transportation (PennDOT) Secretary Mike Carroll was joined by federal, elected, and local officials to celebrate the official designation of a 62-mile portion of U.S. 15 as Interstate 99 (I-99). The new interstate, which will be co-signed as both I-99 and U.S. 15, is located between the I-180 interchange in the City of Williamsport in Lycoming County and the New York/Pennsylvania state line in Tioga County.

Converting U.S. 15 into I 99 will boost the local economy by attracting new business investment and improving regional connectivity

"Today's designation of U.S. 15 as I 99 is more than a marker on a map, it reflects the investment, collaboration, and engineering excellence of countless individuals who understood how vital this route is to the future of the region," Secretary Carroll said. "This new interstate connection will strengthen the region's economy by improving freight movement, increasing safety, and open new doors for business growth. As we move forward, this corridor will continue to support community growth and create new opportunities by ensuring that the region remains connected, competitive, and thriving for generations to come."

The Federal Highway Administration (FHWA) granted the designation after determining that the corridor meets all federal standards for interstate design, safety, and performance.

Speakers Include:
Eric High, District Executive, Engineering District 3
Mike Carroll, Secretary, Pennsylvania Department of Transportation
Senator Gene Yaw, Pennsylvania State Senator, 23rd District
Representative Clint Owlett, Pennsyivania State Legislator, 68th District
Fred LeVancher, Former Tioga County Planning Director
Representative Jamie Flick, Pennsylvania State Legislator, 83rd District
Shane Nickerson, Commissioner, Tioga County






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