text: The first reason why the use of cell phones shouldn't be allowed while operating a vehicle because there are high chances of vehicle collisions happening. Most vehicle collisions happen when the driver is texting or under the influence of alcohol. When people who drives while texting spend more time looking at their phone than the road causing poor car-following ability and lateral lane control. While under the influence of alcohol it can cause you to lose concentration and it can also hinder your ability to make rational decisions.