South:

Take Route 495 North to Exit 24B, Route 20 West. Take a right off the exit and follow Route 20 West .7 miles to Marlboro Executive Park, 65 West Boston Post Road. (CELT's office complex is a red brick structure immediately after St. Mary's Credit Union and 33 West office building.) Take a right into the driveway and follow around to the front of the building.* 

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North:

Take Route 495 South to Exit 24B, Route 20 West. Take a right off the exit and follow Route 20 West .7 miles to Marlboro Executive Park, 65 West Boston Post Road. (CELT's office complex is a red brick structure immediately after St. Mary's Credit Union and 33 West office building.) Take a right into the driveway and follow around to the front of the building.* 

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West:

Take the Mass Pike East to Exit 11A, Route 495 North. Follow Route 495 North to Exit 24B, Route 20 West. Take a right off the exit and follow Route 20 West .7 miles to Marlboro Executive Park, 65 West Boston Post Road. (CELT's office complex is a red brick structure immediately after St. Mary's Credit Union and 33 West office building.) Take a right into the driveway and follow around to the front of the building.* 

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East:

Take the Mass Pike West to Exit 11A, Route 495 North. Follow Route 495 North to Exit 24B, Route 20 West. Take a right off the exit and follow Route 20 West .7 miles to Marlboro Executive Park, 65 West Boston Post Road. (CELT's office complex is a red brick structure immediately after St. Mary's Credit Union and 33 West office building.) Take a right into the driveway and follow around to the front of the building.* 

 

* If you miss the entrance on Route 20 to Marlboro Executive Park, proceed to the next traffic light and turn right. Take the next immediate right onto Northboro Street. The entrance to the front parking lot for 65 West Boston Post Road is on the right, just past the Embassy Suites.