From New York and Northern New Jersey:
From I-78 west, take exit 67, Hellertown/Bethlehem. Take the Hellertown/Bethlehem exit 67 (also identified by signs to "Lehigh University/Historic Bethlehem"). At stoplight, go straight, through short tunnel and toward "Y" in the road. Bear left at the "Y," following signs pointing toward Lehigh University and Goodman Campus. Proceed to stop sign. Continue straight, eventually passing Goodman Stadium on your left. Proceed to stop sign at the intersection of Seidersville Road and Mountain Drive. Turn right, and continue on Mountain Drive. At "Y" bear right onto Mountaintop Campus. Proceed on Research Drive, at the "Y" bear left onto ATLSS Drive. Imbt Laboratory is the first building on the right.
From Western Pennsylvania:
From Route 22, take the Route 378 exit in Bethlehem. Route 378 heads south only; follow Route 378 south through Bethlehem and to the top of South Mountain. Before the traffic light bear to right onto jughandle; at stop sign turn left. Cross over Route 378 to Mountain Drive. At "Y" bear right to Mountain Drive South. At next "Y" bear left onto Mountaintop Campus. Proceed on Research Drive, at the "Y" bear left onto ATLSS Drive. Imbt Laboratory is the first building on the right.
From Philadelphia and Southern New Jersey:
Take the Northeast Extension of the Pennsylvania Turnpike (Route 476) to Exit 32 Quakertown. Turn left onto Route 663 to Quakertown. Follow for 3.5 miles. Turn left onto Route 309 north. Follow 309 to Route 378. Turn right onto Route 378 north to the top of South Mountain. At the traffic light turn right onto Mountain Drive. At "Y" bear right to Mountain Drive South. At next "Y" bear left onto Mountaintop Campus. Proceed on Research Drive, at the "Y" bear left onto ATLSS Drive. Imbt Laboratory is the first building on the right.
From the Lehigh Valley:
From I-78 east, take exit 20, Route 309. Follow Route 309 south. Turn left onto Route 378 north into Bethlehem. Follow Route 378 to the top of South Mountain. At the traffic light turn right onto Mountain Drive. At "Y" bear right to Mountain Drive South. At next "Y" bear left onto Mountaintop Campus. Proceed on Research Drive, at the "Y" bear left onto ATLSS Drive. Imbt Laboratory is the first building on the right.