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 GDP and 90% of foreign exchange earnings in Nigeria as a whole. Lagos is famous throughout Africa for its music scene. Lagos has a vibrant nightlife and has given birth to a variety of styles such as Sakara music, Nigerian hip hop, highlife, juju, fuji and Afrobeat. Lagos is the centre of the Nigerian movie industry, often referred to as 'Nollywood'. Idumota market on Lagos Island is the primary distribution centre. Many films are shot in the Festac area of Lagos. Iganmu is home to the primary centre for the performing arts and artistes in Nigeria: the National Arts Theatre.