In the US, building of new roads has not kept up with population increases (in part because there's no place to put new roads). Even the smallest towns tend to

In the US, building of new roads has not kept up with population increases (in part because there's no place to put new roads). Even the smallest towns tend to have delays and grid lock at rush hour, and that's only part of the population. The speed of the fires also requires a greater evacuation speed. A bicycle would probably be faster than a car given the capacity of the roads.