Opened 1895, sold 1921 to Bristol & Plainville Electric Co., sold 1927 to Bristol Traction Co., a subsidiary of United Gas Improvement Co. until 1940. Streetcars replaced with buses in 1935. Sold 1965 to New Britain Transportation Co., which evolved into the primary bus operator in New Britain.
Incorporated 1886. Streetcars replaced with buses and sold 1926 to Danbury Power & Transportation Co., ceased operations 1967.
(Groton/interurban New Haven-New London)
Opened 1910, subsequently acquiring the following additional companies.
Groton & Stonington Street Railway - opened 1904, sold 1916 to Shore Line Electric Railway Co.
New London & East Lyme Street Railway - opened 1905, leased 1913/sold 1916 to Shore Line Electric Railway Co.
Norwich & Westerly Traction Co. - incorporated 1911, acquiring Norwich & Westerly Railway (opened 1906). Sold 1916 to Shore Line Electric Railway Co.
Ashaway & Westerly Railway - sold 1916 to Shore Line Electric Railway Co.
In addition, from 1913 to 1920, Shore Line Electric Railway Co. leased the "New London Division" of the Connecticut Co.
In 1923, reorganized as two separate companies: New Haven & Shore Line Railway Co. and Groton & Stonington Traction Co. Groton & Stonington Traction Co. streetcars replaced with buses in 1928, and New Haven & Shore Line Railway Co. interurban trains replaced with buses in 1929. In 1939, Groton & Stonington Traction Co. merged into New Haven & Shore Line Railway Co. Existed into 1970's, in 1968 having formed subsidiary Savin Transit Co. to operate local buses in New London and Norwich.
(interurban Hartford-Springfield MA)
Opened 1896 as Enfield & Longmeadow Electric Railway, renamed 1901, subsequently acquiring the following additional companies.
East Windsor Street Railway Co. - sold 1901 to Hartford & Springfield Street Railway.
Somers & Enfield Electric Railway Co. - sold 1904 to Hartford & Springfield Street Railway.
Windsor Locks Traction Co. - sold 1904 to Hartford & Springfield Street Railway.
Rockville Broad Brook & East Windsor Street Railway Co. - sold 1906 to Hartford & Springfield Street Railway.
Interurban trains discontinued 1926, replacement buses operated by newly formed Hartford & Springfield Coach Co. Sold 1928 to New England Transportation Co.
(interurban Stamford-New Rochelle NY)
Incorporated 1901 as consolidation of Larchmont Horse Railway Co. and Port Chester Street Railway Co.
Interurban trains discontinued 1927, replacement buses operated by subsidiary County Transportation Co.
Little information is known for these electric railways.
Danielson & Norwalk Street Railway Co. - years unknown.
Southington & Plantsville Tramway Co. - existed 1888-1898.
Stafford Springs Street Railway Co. - existed after 1917.
Thompson Tramway Co. - existed after 1901.