Coming from points East of Kentlands: Take Darnestown Rd. (Rt. 28W) make a right on Tschiffely Square Rd. Make a left at stop sign. Impact is on your left next to Rachel Carson ES. Coming from points West of Kentlands: Take Darnestown Rd. (Rt. 28E) make a left on Tschiffely Square Rd. Make a left at stop sign. Impact is on your left next to Rachel Carson ES.