Baltimore and Ohio Railroad
West Virginia, Maryland, Pennsylvania, District of Columbia. 499 miles, in operation by 1861.
- Miles, 1865
- 499
- Gauge
- 4 ft 8½ in (standard)
- Trains today
- 69%
Then and now
- Trains run on it today344 mi
- Track in place, out of service5 mi
- No track today149 mi
Track in service on this route today belongs to CSX.
On this line
- Harpers Ferry ArmoryArmory
- Harpers Ferry supply baseSupply base
- Grafton junctionRail junction
- Union garrison burns the Harpers Ferry ArmoryApril 18, 1861
- McClellan sends troops to guard the B&O after bridges burnMay 26, 1861
- Confederates blow up the B&O bridge at Harpers FerryJune 14, 1861
- Jackson wrecks the B&O shops and yards at MartinsburgJune 20, 1861
- Union retakes Martinsburg and the B&O main line reopensMarch 1862
- Jackson captures the B&O railroad garrison at Harpers FerrySeptember 15, 1862
- Jones-Imboden raiders burn the B&O bridge at OaklandApril 26, 1863
- Defenders save the B&O Cheat River bridge at RowlesburgApril 26, 1863
- Military railroads move two corps from Virginia to TennesseeSeptember 25, 1863
- McNeill's Rangers burn the B&O machine shops at PiedmontMay 5, 1864
- Wallace holds the B&O bridge at Monocacy Junction for a dayJuly 9, 1864
- Mosby's Greenback Raid derails a B&O train near DuffieldsOctober 14, 1864