Mapping the World's Deadliest Roads

When traveling to another country, it's sometimes helpful to get a bead on the local road conditions by checking in with one's own government. For example, here's the U.S. State Department's traffic advisory for Liberia:

That paragraph alone might be enough to get a nervous person to switch flight destinations. But it's unfair to pick on Liberia in this case, as there are scads of countries where getting on the road is like playing Russian roulette with two-ton battering rams. This year alone, more than 1.24 million people have died in traffic accidents, a devastating toll that in the absence of action could shoot up to 3.6 million deaths by 2030, according to road-safety data from the World Health Organization.