Wiktionary
bumper to bumper
a. (alternative form of bumper-to-bumper English)
Wikipedia
Bumper to Bumper
Bumper to Bumper is the second studio album from San Francisco, California, United States, alternative rock band Stroke 9. It was released on October 3, 1995.
Usage examples of "bumper to bumper".
The eastbound lanes were here divided from those westbound by a grassy median strip about ten yards across, and the deuce coupe probably could have made it from one side of the highway to the other, but the condition of both arteries was the same: the four lanes were crowded with six lanes of traffic, bumper to bumper and side to side.