what are the names of all the washington d.c. railroads?
alexandria and fredericksburg railway, alexandria and washington railroad, baltimore and ohio railroad, baltimore and potomac railroad, chesapeake beach railway, chesapeake and ohio railway, consolidated rail corporation, east washington railway, georgetown barge, dock, elevator and railway company, orange, alexandria and manassas railroad, penn central transportation company, pennsylvania railroad, philadelphia, baltimore and washington railroad, philadelphia, wilmington and baltimore railroad, richmond and danville railroad, richmond, fredericksburg and potomac railroad, richmond, fredericksburg and potomac railway, southern railway, southern maryland railroad, virginia midland railway, virginia and north carolina railroad, washington, alexandria and georgetown railroad, washington city and point lookout railroad, washington city, virginia midland and great southern railway, washington and potomac railroad, washington, potomac and chesapeake railroad, washington, potomac and chesapeake railway, washington southern railway, washington terminal company, washington and western maryland railroad
which of these railroads are no longer in operation?
alexandria and fredericksburg railway, alexandria and washington railroad, baltimore and ohio railroad, baltimore and potomac railroad, chesapeake beach railway, chesapeake and ohio railway, consolidated rail corporation, east washington railway, georgetown barge, dock, elevator and railway company, orange, alexandria and manassas railroad, penn central transportation company, pennsylvania railroad, philadelphia, baltimore and washington railroad, philadelphia, wilmington and baltimore railroad, richmond and danville railroad, richmond, fredericksburg and potomac railroad, southern railway, southern maryland railroad, virginia midland railway, virginia and north carolina railroad, washington, alexandria and georgetown railroad, washington city and point lookout railroad, washington city, virginia midland and great southern railway, washington and potomac railroad, washington, potomac and chesapeake railroad, washington, potomac and chesapeake railway, washington southern railway, washington and western maryland railroad
in what years did these railroads start?
1872, 1854, 1831, 1867, 1896, 1891, 1976, 1935, 1888, 1872, 1968, 1918, 1902, 1891, 1886, 1920, 1894, 1882, 1880, 1872, 1862, 1873, 1873, 1886, 1901, 1910, 1901, 1889
in what years did these railroads end?
1890, 1872, 1987, 1902, 1935, 1987, 1999, 1976, 1972, 1872, 1976, 1968, 1976, 1902, 1894, 1991, 1990, 1886, 1886, 1873, 1868, 1874, 1880, 1900, 1910, 1918, 1920, 1985
which of previous railroads had the shortest amount time between the start and end dates?
orange, alexandria and manassas railroad