also serves Congress Street (SR 22). Rockland U.S. Route 1A (US 1A) in Rockland bypasses the downtown area and begins at the intersection of Camden and Maverick streets. Traveling westbound along Maverick Street, it passes Rockland Plaza (which is Rockland's second shopping center) and is concurrent with SR 17 along this section. It then takes a 90-degree turn at a flashing yellow blinker light to turn left (south) onto Birch Street where it meets North Main Street (which was the former alignment of SR 17) at a traffic light. US 1A then continues along Broadway, passing Oceanside High School as it continues south through the residential heart of Rockland, and encounters additional traffic lights at Rankin and Limerock streets, until its end at a traffic light at Park Street where it rejoins US 1. Bangor U.S. Route 1A (US 1A) in Bangor is a loop route off US 1, serving the Bangor metropolitan area. The route is long and runs from Stockton Springs to Ellsworth. US 1A enters Bangor from the southwest by following the west bank of the Penobscot River through the towns of Winterport and Hampden. US 1A crosses the Joshua Chamberlain Bridge from downtown Bangor into the city of Brewer and continues southeast through Holden and Dedham to Ellsworth. This route follows the former alignment of US 1, prior to US 1's relocation after construction of the Waldo–Hancock Bridge. US 1A signage on this portion lacks directional indicators. Milbridge U.S. Route 1A (US 1A) in Milbridge provides a more direct route for through travelers, as it branches off from US 1 just north of the main business section of the small town of Milbridge, and is known as Bridge Street. It then crosses the Narraguagus River and continues in a northeasterly direction whereas US 1 takes a route that is north-northwest to meet Cherryfield before turning back east while US 1A takes the more direct (and southern) route closer to the coast to rejoin its parent just east of Harrington. The length of this segment is . Whitneyville U.S. Route 1A (US 1A) runs between Jonesboro and Machias via the village of Whitneyville. Aroostook County U.S. Route 1A (US 1A) in Aroostook County runs , from Mars Hill to Van Buren. US 1A runs parallel to the Canadian border, as US 1 goes through the cities of Presque Isle and Caribou. Major towns along US 1A include