Answer: 4
Step-by-step explanation:
The correct answer is:
Trucks and buses use this lane as a passing lane.
When traveling on a multiple-lane highway, it's essential to stay with the flow of traffic to maintain safety and prevent disruptions. The second lane is often used by trucks and buses as a passing lane, so keeping up with the flow of traffic in this lane allows these larger vehicles to pass safely and efficiently. Additionally, staying with the flow of traffic helps prevent congestion and reduces the likelihood of accidents.