From the south on 95 / 128 northbound:
Take exit 36. Turn left at the lights onto Washington St. and cross over the freeway. At the first set of lights, turn left onto Mishawum Rd. (sign for 95 South). Will pass a small mall with a “Market Basket” supermarket on the right. About 1/2 mile after the exit from the freeway the road will curve sharply to the right. Continue on New Boston, past Gill Street on the left. Sixth Road is the next left after Gill. Take a left onto Sixth Road. We are the third building on the right.

From the north on 95 / 128 southbound:
Take exit 36, and turn left at the lights onto Mishawum Rd. Continue from the directions above at Mishawum.

From Rt. 93:
Take exit 37C - Commerce Way.
You will come to a set of lights, take a left at the lights onto Commerce Way. At the third set of lights, take a right onto Mishawum Road (mall and grocery store on right) and follow this road until you come to a sharp bend to the right. After the bend, Gill Street is on the left. Sixth Road is the next left after Gill. Take a left onto Sixth Road. We are the third building on the right.

Back road option for Rt. 95 / 128 if traffic is backed up at exit 36:
Take Exit 35 to (rotary) Rt. 38 north. At the second set of lights (small white church on left), take a right. Stay on Merrimac St. and take this road to the end. Take a right onto New Boston St. The first right on New Boston is at an island with two street entries. After that, the next right will be Sixth Road. Take the right onto Sixth Road. SPI is the third building on the right - 11 Sixth Road.

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