1889-1905 - Bangor Street Railway Co.
1905-1924 - Bangor Railway & Electric Co.
1924-1950 - Bangor Hydro-Electric Co.
1940 - buses introduced by affiliated company Penobscot Transportation Co.
1945 - streetcars discontinued
1950-1954 - Bangor Transit Co.
After 1954 - Hudson Bus Lines
CURRENT TRANSIT SYSTEM (SINCE 1972)
Community Connector
HISTORIC INTERURBAN TYPE RAILWAY
Bangor-Charleston
1901-1904 - Penobscot Central Railway Co.
1904-1906 - Bangor & Northern Railroad Co.
1906-1924 - Bangor Railway & Electric Co.
1924-1930 - Bangor Hydro-Electric Co.
Horse Car
1863-1865 - Portland & Forest Avenue Railroad Co.
1865-1912 - Portland Railroad Co.
1891-1895 - horse cars replaced with electric streetcars
1912-1942 - Cumberland County Power & Light Co.
1939 - buses introduced
1941 - streetcars discontinued
1942-1944 - Central Maine Power Co.
1944-1969 - Portland Coach Co.
CURRENT TRANSIT SYSTEM (SINCE 1969)
Greater Portland Transit District
HISTORIC INTERURBAN RAILWAY
Portland-Lewiston
1914-1933 - Portland-Lewiston Interurban Railroad
Lewiston/Auburn
Horse Car
1881-1897 - Lewiston & Auburn Horse Railroad Co.
1896 - horse cars replaced with electric streetcars
1897-1907 - Lewiston Brunswick & Bath Street Railway Co.
1907-1919 - Lewiston Augusta & Waterville Street Railway
1919-1941 - Androscoggin & Kennebec Railway Co.
1941 - streetcars discontinued
1941-1948 - Lewiston Auburn Transit Co.
1948-1974 - Hudson Bus Co.
CURRENT TRANSIT SYSTEM (SINCE 1976)
Citylink
HISTORIC INTERURBAN TYPE RAILWAY
Lewiston-Brunswick-Bath (1898-1937)/Brunswick-Portland (1902-1929)
Augusta
1889-1902 - Augusta Hallowell & Gardiner Railroad Co.
1902-1907 - Augusta Winthrop & Gardiner Railway Co.
1907-1919 - Lewiston Augusta & Waterville Street Railway
1919-1932 - Androscoggin & Kennebec Railway Co.
1932 - streetcars discontinued
1932-1952 - Maine Central Transportation Co.
After 1952 - several companies
Waterville
Horse Car
1887-1891 - Waterville & Fairfield Horse Railroad Co.
1891 - horse cars replaced with electric streetcars
1891-1911 - Waterville & Fairfield Railway & Light Co.
1911-1937 - Waterville Fairfield & Oakland Railway
1937 - streetcars discontinued
1940's-1969 - Community Bus Lines
After 1969 - Dwyer Bus Lines
Fairfield
1899-1928 - Benton & Fairfield Railway Co.
1928 - streetcars discontinued
CURRENT TRANSIT SYSTEM (SINCE 1976)
Kennebec Explorer
HISTORIC INTERURBAN TYPE RAILWAY
Lewiston-Waterville (1907-1932)