Traffic in Metro Manila
According to a "Global Driver Satisfaction" survey conducted by the navigation app Waze in 2015, Metro Manila had the "worst traffic on Southeast Asia". Emerson Carlos, MMDA assistant general manager for operation has mentioned that in 2015, motor vehicle registrations in Metro Manila peaked at around 2.5 million. Causes Infrastructure problems One of the primary causes of traffic density within Metro Manila is the current transportation infrastructure. Overall, there is a lack of quality infrastructure thus insufficient modes of mobility. The Duterte administration has promised that the coming years will be the, "golden age of infrastructure", with a record $168 billion to be spent on 5,000 projects across the nation”. Road network The road network of Metro Manila consists of radial (R-1 to R-10) and circumferential (C-1 to C-5) roads. These are the principal arteries within the city, however given the density of vehicles within the metropolis the roads have become inadequate. "Metro Manila only has 1 km of road per 424 vehicles." Furthermore, the roads are of poor quality and do not receive maintenance. For example, in the scope of the entire country, "Of the 31,400 km of national roads in the system, only about 45% (14,200 km) were