From Philadelphia and Points South:
Take I-95 North to Exit #40/PA-413 bear RIGHT onto PA-413 New Rodgers Rd. toward Bristol. Follow straight, crossing over Rt. 13 and under the overpass. Bear to the LEFT after the light. At the V, bear to the RIGHT onto Pond Street. Continue on Pond to the first light. Turn RIGHT on Mill Street, bear LEFT onto Radcliffe approximately 1 mile on the right is SDI at Island View Crossing, 1414 Radcliffe St, Suite 300.

From the Pennsylvania Turnpike:
Take the PA Turnpike to Exit 358/ US-13 Bristol exit. Take US-13 North to 1st traffic light. Make a RIGHT onto Green Lane. Take Green Lane to dead end and make a RIGHT onto Radcliffe Street. SDI is approximately 1/2 mile on the left-hand side at Island View Crossing, 1414 Radcliffe St., Suite 300.

From the Trenton, N.J., area:
Take US Route 1 South follow signs for Rt. 13 South Levittown/Bristol. Take Rt. 13 straight to Green Lane Turn LEFT onto Green Lane. Take Green Lane to dead end and make a RIGHT onto Radcliffe Street. SDI is approximately 1/2 mile on the left hand side at Island View Crossings, 1414 Radcliffe St., Suite 300.

From New York City/The New Jersey Turnpike:
Take the New Jersey Turnpike South to PA Turnpike Exit #6 to exit # 358/US-13 Bristol. Take US-13 North toward Levittown. Make a RIGHT onto Green Lane to the dead end and make a RIGHT onto Radcliffe. SDI is approximately 1/2 mile on the left hand side at Island View Crossing, 1414 Radcliffe St., Suite 300.