To 19 ports; the busiest crossings are to Chelsea Harbour (6 minutes, 29 times a day), Battersea Power Station (18 minutes, 29 times a day), Vauxhall (24 minutes, 29 times a day), Embankment (46 minutes, 29 times a day), North Greenwich (1 hour 40 minutes, 29 times a day), Cadogan (12 minutes, 26 times a day), London Bridge (1 hour 5 minutes, 26 times a day) and Canary Wharf (1 hour 20 minutes, 24 times a day).