Main Reef Road is one of the most famous roads in Johannesburg and possibly in SA. For many it is because it is a name they hear regularly in traffic bulletins on the radio as they sit in a queue of traffic, but it is more than just a major arterial road. It was built way back in 1890 to connect various mining areas, but it is what is beneath it that many will not know. The road follows the line of the original Witwatersrand, which is part of the continental divide. As the peak of a plateau, on one side the water table runs into the Vaal River system and eventually to the Atlantic. On the other side the water travels to the Crocodile and Limpopo rivers on its way to the Indian Ocean. At a stretch, it is almost Joburg’s own point of two oceans. You can thank a speech writer for that information because I learnt this while standing on the intersection of Main Reef Road and the M2 listening to a speech by Councillor Nonhlanhla Helen Makhuba, member of the mayoral committee for transpor...

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