A. Vehicles Proceeding In Opposite Directions: Drivers of vehicles proceeding in opposite directions shall pass each other to the right, each giving to the other at least one-half (1/2) of the main traveled portion of the roadway, whenever possible. (1973 Code § 10.20.140)
B. Vehicles Proceeding In Same Direction: Except as otherwise provided in section 6-4-6 of this chapter, the following rules shall govern the overtaking and passing of vehicles:
1. Vehicle Overtaking: The driver of a vehicle overtaking another vehicle proceeding in the same direction shall pass to the left thereof at a safe distance and shall not again drive to the right side of the street or highway until safely clear of such overtaken vehicle.
2. Vehicle Overtaken: The driver of an overtaken vehicle shall give way to the right in favor of the overtaking vehicle on suitable and audible signal, and shall not increase the speed of his vehicle until completely passed by the overtaking vehicle.
3. Two Or More Continuous Lanes: In the event vehicles on a street or highway are moving in two (2) or more substantially continuous lanes, the provisions of subsections B1 and B2 of this section shall not be considered as prohibiting the vehicles in one such lane overtaking or passing the vehicles in another such lane either upon the right or the left, nor shall the provisions of subsections B1 and B2 of this section be construed to prohibit a driver overtaking and passing upon the right another vehicle which is making or about to make a left turn.
4. Driving Left Of Center Line: The driver of a vehicle shall not drive to the left side of the center line of a street or highway in overtaking and passing another vehicle proceeding in the same direction unless such left side is clearly visible and is free of oncoming traffic for a sufficient distance ahead to permit such overtaking and passing to be completely made without impeding the safe operation of any vehicle approaching from the opposite direction or any vehicle overtaken. (1973 Code § 10.20.150)
C. School Bus:
1. Stop Required: The driver of any vehicle upon a street or highway, when meeting or overtaking, from either direction, any school bus equipped with signs and signals required by law, which has stopped on the street or highway for the purpose of receiving or discharging children and is displaying a flashing red light signal visible from the front and rear, shall bring his vehicle to a stop immediately and shall not proceed past the school bus until the flashing red signal ceases operation.
2. Stop Not Required: The driver of a vehicle need not stop upon meeting or passing a school bus when the school bus is stopped at an intersection or a place where traffic is controlled by a traffic officer or an official traffic signal. (1973 Code § 10.20.160)