Passengers per hour per direction
Passengers per hour per direction (p/h/d), also known as passengers per hour in peak direction (pphpd) and corridor capacity, is a measure of the route capacity of a rapid transit or public transport system.
Passengers per hour per direction (p/h/d), also known as passengers per hour in peak direction (pphpd) and corridor capacity, is a measure of the route capacity of a rapid transit or public transport system.