Question Drivers entering an interstate from an entrance ramp must: Answers Slow down. Turn around if another vehicle is in the lane. Yield to traffic already on the highway. Merge without looking. Explanation Drivers entering an interstate from an entrance ramp must yield the right-of-way to traffic already on the highway. Pass your DMV Written Test with flying colors Take me to the cheat sheet Virginia This questions appears in the following tests: Virginia Practice Test 12 Virginia Practice Test 11