Take Rt. 33 South to Rt. 22 West to Rt. 309 South. Take Exit #57-Lehigh Street. At the traffic light at the end of the ramp, make a left onto Lehigh Street. Go to second traffic light (Downyflake Lane) and turn right. PDI is the last building on the right (just past the General Mills building and just before the traffic light at 12th St.).