As time passes it is becoming a more dominant use by moderate draft vessels (save those heralding from the north/middle of the North Sea), some of which are still being routed via the Sunk (north end of Black Deep).
Over time, this method is gaining popularity among moderate-sized ships (with the exception of those coming from the northern and central regions of the North Sea), with some vessels still being directed through the Sunk (northern terminus of the Black Deep).