Like Bott’s dots and cat’s eyes, the word neckdown comes from the language of traffic flow regulation. A neckdown is an extension of a curb that widens the path for pedestrians and slows moving vehicles. Also called curb extensions, bulb-outs, bump-outs, and elephant ears, they’re a means of slowing traffic without using signs or lights. A sneckdown is a neckdown naturally formed by cars driving on snowy streets. This is part of a complete episode.

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