  the richmond, fredericksburg, and potomac railroad  was a railroad connecting richmond, virginia, to washington, d.c. it is now a portion of the csx transportation system. the rf&p was a bridge line, with a slogan of "linking north & south," on a system that stretched about 113 miles.griffin, william e. jr, capital cities route, pages 2-3, tlc publishing, 1994 until around 1965 rf&p originated less than 5% of its freight tonnage, probably less than any other class i railroad. for much of its existence the rf&p connected with the chesapeake and ohio railway, the atlantic coast line railroad and seaboard air line railroad at richmond. at alexandria and through trackage rights to union station in washington, d.c., connections were made with the pennsylvania railroad, baltimore and ohio railroad and the southern railway. it connected to the washington and old dominion railroad at potomac yard and interchanged with the chesapeake and ohio railway at doswell. it is the only csx line to have cab signal requirements on their entire system. ==history==  the richmond, fredericksburg and potomac railroad was chartered on february 25, 1834 to run from richmond north via fredericksburg to the potomac river. it opened from richmond to hazel run in 1836, to fredericksburg on january 23, 1837, and the rest of the way to the potomac river at aquia creek on september 30, 1842. steamboat service to washington, d.c., and the baltimore & ohio railroad was provided by the washington and fredericksburg steamboat company, later renamed the potomac steamboat company, controlled by the railroad after 1845.griffin, william e. jr, capital cities route, pages 4-5, tlc publishing, 1994 badly damaged during the civil war, on october 11, 1870griffin, william e. jr, capital cities route, page 6, tlc publishing, 1994 an extension to the north toward quantico was authorized at a special meeting of the company's stockholders. the company's charter limited this branch to 10 miles, leaving it 1.7 miles short of the alexandria and fredericksburg railroad. this split from 
1834_establishments_in_the_United_States 1991_disestablishments_in_the_United_States Atlantic_Coast_Line_Railroad Chesapeake_and_Ohio_Railway Companies_affiliated_with_the_Baltimore_and_Ohio_Railroad Companies_affiliated_with_the_Pennsylvania_Railroad Defunct_Virginia_railroads Defunct_Washington,_D.C._railroads Former_Class_I_railroads_in_the_United_States Predecessors_of_CSX_Transportation Railway_companies_disestablished_in_1991 Railway_companies_established_in_1834 Richmond,_Fredericksburg_and_Potomac_Railroad Seaboard_Air_Line_Railroad Southern_Railway_(US) Standard_gauge_railways_in_the_United_States Transportation_in_Arlington_County,_Virginia