From York, Pennsylvania or Baltimore, Maryland...
... Take Route 83 North to Route 581 West. Follow Route 581 West to Route 15 South. Take Route 15 South to the Cumberland Parkway Exit. At the end of the exit ramp you will come to a traffic light. Go past the traffic light and make your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.

From Gettysburg, Pennsylvania or Frederick, Maryland...
... Take Route 15 North to the Cumberland Parkway Exit. At the end of the exit ramp you will come to a traffic light where you will make a right. At the next traffic light make a right and go to the bottom of the hill where you will see another traffic light. Make a left on to Cumberland Parkway and your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.

From Eastbound Direction on the Pennsylvania Turnpike...
... Take the Pennsylvania Turnpike East toward Harrisburg & Philadelphia. Exit the turnpike at Exit 236 {Mechanicsburg - Gettysburg}. After you pass through the toll booth, stay to the right and get on to Route 15 South. Take Route 15 South to the first exit {Cumberland Parkway}. At the end of the exit ramp you will come to a traffic light. Go past the traffic light and make your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.

From Westbound Direction on the Pennsylvania Turnpike...
... Take the Pennsylvania Turnpike West toward Harrisburg. Exit the turnpike at Exit 236 {Mechanicsburg - Gettysburg}. After you pass through the toll booth, stay to the right and get on to Route 15 South. Take Route 15 South to the first exit {Cumberland Parkway}. At the end of the exit ramp you will come to a traffic light. Go past the traffic light and make your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.

From Lancaster, Pennsylvania...
... Take Route 283 North to the Pennsylvania Turnpike. Take the turnpike West towards Pittsburgh. Exit the turnpike at Exit 236 {Mechanicsburg - Gettysburg}. After you pass through the toll booth, stay to the right and get on to Route 15 South. Take Route 15 South to the first exit {Cumberland Parkway}. At the end of the exit ramp you will come to a traffic light. Go past the traffic light and make your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.

From North of Harrisburg, Pennsylvania on Route 81...
... Take Route 81 to Route 581 East. Follow Route 581 to Route 15 South. Take Route 15 South to the Cumberland Parkway Exit. At the end of the exit ramp you will come to a traffic light. Go past the traffic light and make your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.

From Chambersburg, Pennsylvania or Hagerstown, Maryland...
... Take Route 81 North to the Pennsylvania Turnpike. Follow the turnpike East towards Philadelphia. Exit the turnpike at Exit 236 {Mechanicsburg - Gettysburg}. After you pass through the toll booth, stay to the right and get on to Route 15 South. Take Route 15 South to the first exit {Cumberland Parkway}. At the end of the exit ramp you will come to a traffic light. Go past the traffic light and make your first left on to Old Schoolhouse Lane. Thayer Dental Laboratory is on the right at number 131.