Lagos medical services at the primary, secondary, and tertiary levels. Although the private hospitals are usually more expensive, it does not necessarily translate to better health-care delivery. Lagos has one of the largest and most extensive road networks in West Africa. It also has suburban trains and some ferry services. Highways are usually congested in peak hours, due in part to the geography of the city, as well as to its explosive population growth. Lagos is also linked by many highways and bridges. A new rail system that is supposed to span the length of the Badagry expressway is currently under
Lagos water and sanitation. The Port of Lagos is Nigeria's leading port and one of the largest and busiest in Africa. It is administered by the Nigerian Ports Authority and it is split into three main sections: Lagos port, in the main channel next to Lagos Island, Apapa Port (site of the container terminal) and Tin Can Port, both located in Badagry Creek, which flows into Lagos Harbour from the west. The port features a railhead. The port has seen growing amounts of crude oil exported, with export figures rising between 1997 and 2000. Oil and petroleum products provide 14% of