Portland wants to put a price on driving on downtown freeways at rush hour. But it will need the Feds' approval.

Electric vehicles aren't going to cut it, emissions-wise. We need to do more.

The media finally got a tour of Elon Musk’s plan to revolutionize transportation in Los Angeles — and it didn’t go well for Musk. On Tuesday night, Musk unveiled a 1.14-mile tunnel completed by his Boring Company, which runs under the city of Hawthorne, connecting the parking lot of Space X’s headquarters to a vacant […]

Did your town to a great road diet? Nominate it to be named the best of the year.

We don't know for sure yet. Data shows they're more dangerous than bike share — but researchers say that will change as cities adapt and make roads safer.

San Francisco is the latest city to eliminate minimum parking requirements — a win for pedestrians and affordable housing advocates.