Managua for cities and towns who tend to be considerably further from the main highway roads. Nicaraguan bus companies, often referred to as "Chicken Buses", serve both urban and rural areas to remedy the lack of sufficient infrastructure that plagues these towns or villages. Transportation infrastructure has grown outside of Managua and other Pacific coast cities and departments in recent years. A road from the river port city of El Rama to Pearl Lagoon, located in the South Caribbean Coast Autonomous Region, was completed in 2007. El Rama is connected by highway to Managua. Managua and Puerto Cabezas, located in the
Managua North Caribbean Coast Autonomous Region are also connected via road. A third road, currently under construction, will connect Bluefields, South Caribbean Coast Autonomous Region with Managua via Nueva Guinea. Traveling by airplane is more efficient than traveling by these roads due to the poor conditions, especially in the rainy season. Domestic flights are operated by La Costeña from the international airport. There are 36 bus routes in Managua. These are regulated by the city’s regulatory entity for municipal transports (IRTRAMMA) and individually operated by cooperatives and private companies. In addition there are two bus routes that formerly connected to outside