Railroad Companies
Operational years and TCS abbreviations
ATK=Amtrak (1971-)
BH&E=Boston, Hartford & Erie (1863-1875) > NY&NE
B&NYAL=Boston & New York Air Line (1875-1882) > NYNH&H
B&NYC=Boston & New York Central (1854-1855) > NY&NE
BSRR=Branford Steam RR, originally Damascus RR (1890-)
CRR=Colchester (1877)
CC=Connecticut Central (1876-1880) > NY&NE
CR=Conrail (1976-1999)
CV=Connecticut Valley (1871-1880) > H&CV=Hartford & Connecticut Valley (1881-1887) > NYNH&H
CVT=Central Vermont/Vermont Central (1871-1995)
CW=Connecticut Western (1871-1881) > H&CW=Hartford & Connecticut Western (1881-1889) > CNE&W=Central New England & Western (1889-1892) > PR&NE =Philadelphia, Reading & New England (1892-1898) > CNE=Central New England (1899-1927) > NYNH&H
D&N=Danbury & Norwalk (1852-1886) > HRR
HRR=Housatonic (1840-1892)
H&NH=Hartford & New Haven (1838-1872) > NYNH&H
HP&F=Hartford, Providence & Fishkill (1849-1878) > BH&E/NY&NE
M&C=Meriden & Cromwell (1885-1888) / M&W=Meriden & Waterbury (1888) > MW&CR=Meriden, Waterbury & Connecticut River (1888-1892) > MM&W=Middletown, Meriden & Waterbury > NYNH&H
MRR=Middletown (1850), Middletown Extension (1860) > H&NH
MN=Metro North
NRR=Naugatuck (1849-1887) > NYNH&H
NB&M=New Britain & Middletown (1865) > H&NH
NC=New Canaan (1868-1883) > S&NC=Stamford & New Canaan (1883-1884) > NYNH&H
NE=New England (1895-1898) > NYNH&H
NH&D= New Haven & Derby (1871-1889) > H
NHM&W=New Haven, Middletown & Willimantic (1871-1875) > B&NYAL
NH&N=New Haven & Northampton (1869-1887) > NYNH&H
NH&NL=New Haven & New London (1852-1857) > NHNL&S
NHNL&S=New Haven, New London & Stonington (1857-1858, 1862-1864) > SL
NLN=New London Northern (1861-1871) > CVT
NLWP=New London, Willimantic & Palmer (1849-1861) > NLN
N&W=Norwich & Worcester (1839-1869) > BH&E
NYH&N=New York, Housatonic & Northern (1868-1872) > HRR
NY&NE=New York & New England (1869-1895) > NE
NY&NH=New York & New Haven (1848-1872) > NYNHH
NYNH&H=New York, New Haven & Hartford (1872-1968) > PC
NYP&B=New York, Providence & Boston (1837-1892) > NYNHH
PC=Penn Central (1969-1976) > CR
SRR=Shepaug > SV=Shepaug Valley (1873-1887) > SL&N=Shepaug, Litchfield & Northern (1887-1898) > NYNH&H
SL=Shore Line (1864-1870) > NYNH&H
SM=South Manchester (1869) > NYNH&H
WL&S=Windsor Locks & Suffield (1870) > H&NH
W&W=Watertown & Waterbury (1870) > N
Operational years and TCS abbreviations
ATK=Amtrak (1971-)
BH&E=Boston, Hartford & Erie (1863-1875) > NY&NE
B&NYAL=Boston & New York Air Line (1875-1882) > NYNH&H
B&NYC=Boston & New York Central (1854-1855) > NY&NE
BSRR=Branford Steam RR, originally Damascus RR (1890-)
CRR=Colchester (1877)
CC=Connecticut Central (1876-1880) > NY&NE
CR=Conrail (1976-1999)
CV=Connecticut Valley (1871-1880) > H&CV=Hartford & Connecticut Valley (1881-1887) > NYNH&H
CVT=Central Vermont/Vermont Central (1871-1995)
CW=Connecticut Western (1871-1881) > H&CW=Hartford & Connecticut Western (1881-1889) > CNE&W=Central New England & Western (1889-1892) > PR&NE =Philadelphia, Reading & New England (1892-1898) > CNE=Central New England (1899-1927) > NYNH&H
D&N=Danbury & Norwalk (1852-1886) > HRR
HRR=Housatonic (1840-1892)
H&NH=Hartford & New Haven (1838-1872) > NYNH&H
HP&F=Hartford, Providence & Fishkill (1849-1878) > BH&E/NY&NE
M&C=Meriden & Cromwell (1885-1888) / M&W=Meriden & Waterbury (1888) > MW&CR=Meriden, Waterbury & Connecticut River (1888-1892) > MM&W=Middletown, Meriden & Waterbury > NYNH&H
MRR=Middletown (1850), Middletown Extension (1860) > H&NH
MN=Metro North
NRR=Naugatuck (1849-1887) > NYNH&H
NB&M=New Britain & Middletown (1865) > H&NH
NC=New Canaan (1868-1883) > S&NC=Stamford & New Canaan (1883-1884) > NYNH&H
NE=New England (1895-1898) > NYNH&H
NH&D= New Haven & Derby (1871-1889) > H
NHM&W=New Haven, Middletown & Willimantic (1871-1875) > B&NYAL
NH&N=New Haven & Northampton (1869-1887) > NYNH&H
NH&NL=New Haven & New London (1852-1857) > NHNL&S
NHNL&S=New Haven, New London & Stonington (1857-1858, 1862-1864) > SL
NLN=New London Northern (1861-1871) > CVT
NLWP=New London, Willimantic & Palmer (1849-1861) > NLN
N&W=Norwich & Worcester (1839-1869) > BH&E
NYH&N=New York, Housatonic & Northern (1868-1872) > HRR
NY&NE=New York & New England (1869-1895) > NE
NY&NH=New York & New Haven (1848-1872) > NYNHH
NYNH&H=New York, New Haven & Hartford (1872-1968) > PC
NYP&B=New York, Providence & Boston (1837-1892) > NYNHH
PC=Penn Central (1969-1976) > CR
SRR=Shepaug > SV=Shepaug Valley (1873-1887) > SL&N=Shepaug, Litchfield & Northern (1887-1898) > NYNH&H
SL=Shore Line (1864-1870) > NYNH&H
SM=South Manchester (1869) > NYNH&H
WL&S=Windsor Locks & Suffield (1870) > H&NH
W&W=Watertown & Waterbury (1870) > N
