 The road heads through the center of Natick, passing the town green and crossing Route 135, which carries the Boston Marathon at that point.Route 27 crosses over Route 9 with a four-way exit ramp system, just east of Lake Cochituate, the Natick Mall and the Golden Triangle retail area.Route 27 passes into Wayland and under the Massachusetts Turnpike, which it accesses via Route 30, just north of the Pike.