636.24—Driving on right side of roadway; use of roadway.
(b)
Drivers proceeding in opposite directions will pass to the right, each using one-half of the roadway.
(c)
Drivers passing another vehicle traveling in the same direction will exercise the utmost caution and safety and will abide by all applicable traffic laws.
(d)
Drivers of vehicles being passed will give way to the right and not increase their vehicle's speed.
(e)
Drivers will allow a sufficient distance between their vehicle and the vehicle in front to allow a safe stop under all conditions.