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Sandy Run Middle School


Upper Dublin School District

Upper Dublin Township






  • Sandy Koza, P.E., PTOE

  • Stephanie Butler, P.E.

  • Highways, Streets & Structures

  • Traffic & Parking

  • Signals & ITS

  • Transportation Impact Study

  • Parking demand observations

  • Roadway design & permitting

  • Signage upgrades

  • Utility coordination

McMahon provided a detailed transportation impact study for the redevelopment and expansion of the Sandy Run Middle School, which included area traffic counts: parking demand observations at the school; and documentation of the traffic circulation patterns under existing conditions, the two main construction phases, and with completion of the new campus.

McMahon also provided design and permitting services for improvements to the adjacent signalized intersection of Limekiln Pike (S.R. 0152)/Twining Road to provide:

  • Separate left-turn lanes along both Limekiln Pike approaches and reconstruction of the channelization island in the northeast quadrant of the intersection

  • Design and permitting for the installation of a separate westbound right-turn lane into the Twining Road access, including associated signing, marketing and drainage improvement

  • Signage upgrades to the intersection of Martin Road/Audubon Drive to restrict parents and staff from entering the school via Audubon Drive

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