"A workstream within the task team has developed Standard Operating Procedures $($SOP$)$ for the trucking fraternity and law enforcement agencies on the necessary steps to undertake when Bayhead Road is congested."

Explain why trucks in the port area is important for Port of Durban. Refer to the integrated nature of the port and its environment as well as its hinterland. With reference to the above quotation from the article and NATMAP Section $6\mathrm{.}4$ pages $6\mathrm{.}27$ to $6\mathrm{.}33$ explain how this problem should be addressed.