A three-year trial period was enacted, with startup funding provided by the Maine Department of Transportation (MDOT).

[5] In 2018, northbound and southbound stops were added outside Maine Beer Company on U.S. Route 1, adjacent to the MDOT park-and-ride lot.

[5] Two months later, Breez and the Amtrak Downeaster rail service established a partnership to promote public transportation options between Portland, Freeport and Brunswick.

[7] Senator Susan Collins (R) announced $1.8 million funding for public transport in Greater Portland in 2022, with the Metro using their portion to purchase four 35-foot, environmentally friendly buses to replace its aging fleet.

[10] The outbound service begins at Thompson's Point, with its first stop being at the adjacent Portland Transportation Center.

Continuing along Congress Street, the route turns left onto Washington Avenue at the foot of Munjoy Hill.

[11] After leaving the Portland peninsula, the service travels north on Interstate 295 from Tukey's Bridge to exit 15 in Yarmouth.