Poor Roads are generally in poor condition, causing damage to vehicles and contributing to hazardous traffic conditions. There are few traffic lights or stop signs. Lagos, a city of over 10 million people, does not have a single operating traffic light. The rainy season from May to October is especially dangerous because of flooded roads. Excessive speed, unpredictable driving habits, and the lack of basic maintenance and safety equipment on many vehicles are additional hazards.
Gridlock is common in urban areas.
Chronic fuel shortages have led to long lines at service stations which have disrupted or blocked traffic for extended periods. Public transportation vehicles are unsafe due to poor maintenance, high speeds and overcrowding. Passengers in local taxis have been driven to secluded locations where they were attacked and robbed. Several of the victims required hospitalization. The U.S. Embassy advises that public transportation throughout Nigeria is dangerous and should be avoided.