The daily transit of 700 to 800 seagoing ships, together with the ferry traffic running across the main routes, has made it necessary to introduce traffic rules similar to those on roads in order to avoid accidents.
Ukuthuthwa kwemihla kwenqanawa ezihamba elwandle ezingamakhulu asixhenxe ukuya kumakhulu asibhozo kunye netrafiki zesikhitshane ezibaleka zicande iindlela ezingondoqo zikwenze kwayimfuneko ukwenza imthetho yetrafiki efanayo naleyo yeendlela ukunqanda iingozi