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    Lehigh County: Update to PA 309/Tilghman Street Interchange Project

    August 15, 2025

    County: Lehigh
    Municipality: South Whitehall Twp.
    Road Name: PA 309 South Ramp to Tilghman Street East
    Between: - And -
    Type Of Work: Construction
    Work Being Done By: PennDOT Contractor
    Type Of Restriction: 24 Hours
    Restriction: Ramp will be closed and detoured for interchange and roadway upgrades. This work is part of the ongoing PA 309/Tilghman Street Interchange Reconstruction Project. Detoured traffic will continue on PA 309 to I-78 merge to US 222 to PA 309 North to Tilghman Street East Exit.
    Start: 08/19/25
    Estimated End: 09/01/26
    In Effect (time of day): 12:00 AM To 12:00 AM
    Will rain cause delays? No