D I R E C T I O N S

ISI is located two hours north of Washington, DC and 45 minutes southwest of Philadelphia.

Traveling North or South on Interstate 95, take exit 7 to Route 52 (Delaware Ave). Turn North onto Route 52 and proceed approximately three miles to Hillside Road. (The Greenville Center shopping plaza will be to your right.) Turn left onto Hillside Road. Proceed past A.I. DuPont High School and continue to Centerville Road. Turn left onto Centerville Road. Follow Centerville Road to the second driveway on the right. ISI is located at 3901 Centerville Road. There are two engraved ISI stone markers at the driveway entrance.