Question To enter highway traffic, you need at least: Answers A two-second gap. A three-second gap. A four-second gap. Explanation Any time you want to merge into traffic, you need to find an opening large enough for you to merge safely. If you move into the middle of a four-second opening, both you and the driver behind you have a two-second following distance. Pass your DMV Written Test with flying colors Take me to the cheat sheet Connecticut This questions appears in the following tests: Connecticut Practice Test 11 Connecticut Practice Test 25