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 on the island. This is also where most of the country's commercial banks, financial institutions and major corporations are headquartered. Lagos is also the major Information Communications and Telecommunications (ICT) hub of West Africa and potentially, the biggest ICT market in the continent. Lagos is developing a 24-hour economy and has also been ranked as one of the most expensive cities in the world. In some parts of Lagos, residents have one of the highest standards of living in Nigeria and in Africa. At the same time, a sizable proportion of the residents live in slums without access to piped