By 8 a.m., rush hour is at full throttle in most cities. Accidents, the cost of fuel, and the quality of public transportation aren’t the only factors that can make the drive to work range from ho-hum to hellish. According to traffic analyst Jim Bak, there’s another thing that can cause commuting lengths to fluctuate: the state of the economy.
“When the recession hit in 2008, congestion across the U.S. dropped 30 percent,” he says. Four years later, in 2012, drivers in Italy, France, and Spain also spent less time on the road as unemployment, especially among youth, skyrocketed in the wake of Europe’s debt crisis. That same year, European Union officials tasked with managing the problem flocked to Brussels, Belgium—causing traffic and commute times in that city to soar.…