There are many words, which emphasize different meaning. Some are negative.
Pleasure aspect of doing whatever you want: bon vivant, hedonist, pleasure seeker.
Going wherever you want, possibly new places (metaphorically too): globetrotter, explorer, pioneer.
Free thought, defiance: maverick, liberal, free thinker, nonconformist.
Disregard for traditional social structures: bohemian, hippie, beatnik.
Disregard for manner and social grace: boor, barbarian, brute, philistine.
Ambition: doer, achiever.
Disregard for law: criminal, outlaw, gangster, robber, lawbreaker, desperado, etc.
Acting in self-interest without regard for trust: back-stabber, snitch, cheater, two-timer.
Acting in self-interest without regard for others: egoist, narcissist.
Best Answer
I don't know what exactly you mean by an abbreviation, but in English, a situation when there are just too many cars on the road where little to no movement is possible is traditionally called a traffic jam or a traffic congestion. To find out more about what other expressions related to cars stuck in traffic exist in English, follow the link to the Wikipedia article on traffic congestion that I provided.
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