State highway in Barnstable County, Massachusetts, US
This article is about the old Massachusetts Route 49. For the new Massachusetts Route 49, see
Massachusetts Route 49.
Route 149 is a 4.83-mile-long (7.77 km) north–south highway on Cape Cod in southeastern Massachusetts. The route, located in Barnstable County, begins at an intersection with Route 28 in Marstons Mills, serving as the main road through the small community. The route crosses US 6 (the Mid-Cape Highway) before reaching a junction with Route 6A in West Barnstable. The route was a former designation of Route 49.