A lot happened this year in the world of transportation. We got a new U.S. Transportation Secretary, a Washington State bridge collapsed, driverless vehicles and drones became new buzzwords, Bertha started tunneling under Seattle on a tunnel to replace the Alaskan Way Viaduct, and much, much more.

But what were the top transportation stories of the year?

The website “Governing” counts down the top 13 transportation happenings of 2013.

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