Common Detour Abbreviations

Current Detour List

L or l	Left turn
R or r	Right turn
NB, SB	Northbound, Southbound
EB, WB	Eastbound, Westbound
MFO	Market-Frankford Owl
BSO	Broad Street Owl
Rt or Rte	Route
Reg rt	Regular Route
Dir	Direction
Exp	Express
FTC	Frankford Transportation Center

Please contact us at septaweb@septa.org if there is an abbreviation or notation that you do not understand.