Follow the airport exit signs to I-95 South (towards Chester).
Travel South on I-95 (approx. 5 miles) and exit at I-476 North.
Continue on I-476 (approx. 19 miles) to Exit 20.
Keep left at the fork in the ramp then turn right on Plymouth Rd.
At the next light, turn left on Butler Pike.
Follow Butler Pike, bearing to left to stay on Butler Pike.
At stop sign bear right and go approx. 2/10 mile, make a right onto Campus Drive.
TDIS will be the 5th office complex on the left.
Take I-76 West (Schuykill Expressway) towards Valley Forge and exit at I-476 North (Exit 28B).
Take I-476 North to Exit 20 (Plymouth Road).
At this point, follow the Airport directions from Exit 20.
Take the NJ Turnpike to the Pennsylvania Turnpike.
Proceed west to Exit 333.
After the toll booth, make a right at the light (Plymouth Road).
At the next light, turn left on Butler Pike.
Follow Butler Pike, bearing to left to stay on Butler Pike.
At stop sign bear right and go approx. 2/10 mile, make a right onto Campus Drive.
TDIS will be the 5th office complex on the left.
Take the Pennsylvania Turnpike east to Exit 333.
At this point, follow the New Jersey directions from the toll booth.
Take I-95 North to I-476 North to Exit 20.
Follow the Airport directions.
Take the Pennsylvania Turnpike South (I-476) to Exit 333.
At this point, use the New Jersey directions from the toll booth.