 With congestion rendering downtown inaccessible during peak hours, major shopping centres like Valsayn Shopping Centre, Grand Bazaar and Trincity Mall have sprung up at highway intersections.The last two are noted for being among the largest shopping centres in the country and in the Caribbean, with of commercial space in each.Two large Universities have been established in the eastern section of the E-W corridor – the regional University of the West Indies, St. Augustine campus and the multi campus local University of Trinidad and Tobago whose main campus is on the Arima outskirts.