| | New Haven Railroad Historical Events |
| | Date | | Category | | Event |
| | 1/1/1869 | | End of Service | Tariffville branch of NEW HAVEN & NORTHAMPTON railroad discontinued. |
| | 1/1/1869 | | Acquisition | NEW YORK & NEW HAVEN RAILROAD COMPANY acquired majority of stock of HARLEM RIVER & PORT |
| | CHESTER RAILROAD. |
| | 1/1/1870 | | NH RR 1st | The first Hall Signal was installed on the New York & New Haven Railroad at Stamford, CT. It was the first automatic |
| | signal by Mr. Hall on any railroad in this country. Apparently the signal was was used as a switch signal not necessarily as |
| | an automatic signal, as in 1870, the railroads were not using track circuits and the signal may have been operated by the use |
| | of a track instrument. The Hall was commonly used on the NH RR in the late 19th and early 20 centuries. |
| | 1/1/1870 | | Opening of Service | WINDSOR LOCKS & SUFFIELD RAILROAD opened Windsor Locks to Suffield, 4.45 miles (operated by the |
| | HARTFORD & NEW HAVEN RAILROAD.) |
| | 1/1/1870 | | Opening of Service | Connecticut River bridge opened by the SHORE LINE RAILWAY. |
| | 1/28/1870 | | Milestone | WICKFORD RAILROAD COMPANY name changed to NEWPORT & WICKFORD RAILROAD & STEAMBOAT |
| | 1/1/1871 | | Expansion | DUXBURY & COHASSET RAILROAD COMPANY authorized to extend its line from Duxbury to a connection with Old |
| | Colony & Newport Railway at Kingston, 3.2 miles. |
| | 1/1/1871 | | Opening of Service | THE ATTLEBOROUGH BRANCH RAILROAD opened from the Boston & Providence Railroad at Attleboro to North |
| | Attleboro, 4.0 miles. |
| | 1/1/1872 | | Bankruptcy | BOSTON, HARTFORD & ERIE FERRY EXTENSION RAILROAD COMPANY land sold under foreclosure of mortgage. |
| | Right to operate ferry across Hudson River held by BOSTON, HARTFORD & ERIE RAILROAD COMPANY. |
| | 1/2/1872 | | Opening of Service | SHEPAUG VALLEY RAILROAD opened, Litchfield to Hawleyville, connecting with the Housatonic Railroad. |
| | 1/1/1873 | | Opening of Service | OLD COLONY RAILROAD opened Granite or West Quincy Branch from West Quincy to the gravel pit, toward Braintree, |
| | 1.4 miles. |
| | 1/1/1873 | | Acquisition | FALL RIVER, WARREN & PROVIDENCE RAILROAD COMPANY stock, bonds and equipment purchased by BOSTON |
| | & PROVIDENCE RAILROAD CORPORATION. |
| | 1/17/1873 | | Acquisition | CAPE COD RAILROAD COMPANY deed accepted by OLD COLONY RAILROAD and merger made effective. |
| | 1/1/1874 | | Lease | UNION FREIGHT RAILROAD leased to OLD COLONY RAILROAD COMPANY for 10 years. |
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