This is called negative pressure breathing, changing the pressure inside thelunsg relative to the pressure of the outside atmosphere. In contrast to inspiration, during expiration the diaphragm and intercostal muscles relax.
15' wide is too narrow for a double wide driveway and too wide for a single car and should not be used as a driveway dimension unless there is a reason. Driveway Width. 10 - 12 feet wide for a Single Car driveway. 14 feet wide if Surrounded by Walls. 18 - 20 feet wide for a Double Wide driveway.
The width of a single travel lane can vary from 10'-12'. The faster the traffic is intended to travel, the wider the lane needs to be. Therefore, city streets with a speed limit of 25-30 mph should have 10' lanes, while highways should have 12' lanes. In addition, you may have a median, a shoulder, a bike lane, or a parking lane that would increase the road width.