Managua and Mercedes-Benz. One out of every ten buses now grants access to wheelchair passengers, granting disabeled passengers for the first time the ability to utilize public transportation resources. "TransNica" is a Nicaraguan bus company that operates international bus services throughout Central America. It competes extensively with its counterpart, "TicaBus", a Costa Rican bus company. Managua serves as the company's hub, with buses departing from Managua to San José, Costa Rica, Tegucigalpa, San Salvador and Choluteca. In Managua, those who commute to and from work generally travel by bus or taxi. Taxi tends to be the transportation method of choice for
Managua 1927. A new sewer system and the redirecting of waste water to a new waste water treatment plant at Las Mercedes funded by the German government to decontaminate the lake is expected to be the largest in Central America and was inaugurated in 2009. Managua's city area extends about , essentially south from the south shore of Lake Managua. The lakeshore is at an altitude of above sea level, and the city climbs as it gets towards the Sierras de Managua further south where it is over above sea level. Geologically, the city lies on fault lines, thus seismologists predict