High Quality Content by WIKIPEDIA articles! Rainbow Junction is a development project in the Tshwane municipality, in Pretoria, South Africa. The development, having been evolved over a number of years comprises plans for a mixed use development of some 550,000m2 of commercial centric developments. This project presents itself as a new Urban Core in the northern parts of the City - A New Business Gateway. The development will be phased in over a period in accordance with the roll out strategy developed and planned infrastructure solutions in support of the area known as the "Zone of Choice" within the City.