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 Colony center with a population over 60,000. In the aftermath of prolonged wars between the mainland Yoruba states, the colony established a protectorate over most of Yorubaland between 1890 and 1897. The colony and protectorate were incorporated into Southern Nigeria in February 1906, and Lagos became the capital of the protectorate of Nigeria in January 1914. Since then, Lagos has grown to become the largest city in West Africa, with an estimated metropolitan population of over 9,000,000 as of 2011. Lagos was originally a fishing community on the north of Lagos Island, which lies in Lagos Lagoon, a large protected harbour