Passengers per hour per direction or passengers per hour in peak direction (PPHPD or p/h/d) is a measure of the capacity of a rapid transit or public transport system.
Read more about Passengers Per Hour Per Direction: Directional Flow
Famous quotes containing the words hour and/or direction:
“You have but little more to do than throw up your cap for entertainment these American days.... Farmers’ sons will stare by the hour to see a juggler draw ribbons from his throat, though he tells them it is all deception. Surely, men love darkness rather than light.”
—Henry David Thoreau (1817–1862)
“Our vices always lie in the direction of our virtues, and in their best estate are but plausible imitations of the latter.”
—Henry David Thoreau (1817–1862)