Driving Directions Portsmouth Location GPS Address: 90 Farm Lane, Portsmouth, NH From the South: – Take 95 North to Exit 5 – Go 3/4 way around the traffic circle and head North on Rte 16/4 (Concord/Rochester) – At about 1/8 mile is a Mazda dealership, Turn right – We are the second drive on the left, large green building From the North: – Take 95 South to Exit 5 – Stay to the right off the ramp, exit for Portsmouth Circle Rte 1 – On entering the rotary you need to be in the left lane – Go all the way around the rotary and head North on Rte 16/4 (Concord/Rochester) – About 1/8 of a mile you will see a Mazda dealership, Turn right – We are the 2nd driveway on the left, large green building