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The M37 begins at an intersection with the R102 (Andrew Zondo Road), north of Amanzimtoti. It begins by heading west-south-westwards as Moss Kolnik Drive, and flies over the N2 freeway. It continues to pass south of Galleria Mall and the Umbogintwini industrial complex before turning southwards and westwards to exit Amanzimtoti and enter the township of KwaMakhutha. After the intersection with Gugu Mkhize Drive, it exits KwaMakhutha to enter the rural area of Adams Mission (or Adams Rural) and curves through the undulating hills of the area before ending at the intersection with the R603 (Sbu Mkhize Road), just south of Adams College.