Upon all roadways, the driver of a vehicle shall drive upon the right half of the roadway, except as follows:
(1) 
When overtaking and passing another vehicle proceeding in the same direction, under the rules governing such movement;
(2) 
When the right half of the roadway is closed to traffic while under construction or repair;
(3) 
Upon a roadway divided into three (3) marked lanes for traffic, under rules applicable therein; or
(4) 
Upon a roadway designated and signposted for one-way traffic.
(1987 Code, ch. 9, sec. 8A; 2004 Code, sec. 12.801)
Drivers of vehicles proceeding in opposite directions shall pass each other to the right, and upon roadways having width for not more than one (1) line of traffic in each direction, each driver shall give to the other at least one-half of the main traveled portion of the roadway.
(1987 Code, ch. 9, sec. 8B; 2004 Code, sec. 12.802)
The following rules shall govern the overtaking and passing of vehicles proceeding in the same direction, subject to those limitations, exceptions and special rules hereinafter stated:
(1) 
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 roadway until safely clear of the overtaken vehicle.
(2) 
Except when overtaking and passing on the right is permitted, the driver of an overtaken vehicle shall give way to the right in favor of the overtaking vehicle on audible signal and shall not increase the speed of his vehicle until completely passed by the overtaking vehicle.
(1987 Code, ch. 9, sec. 8C; 2004 Code, sec. 12.803)
(a) 
The driver of a vehicle may overtake and pass upon the right of another vehicle only under the following conditions:
(1) 
When the vehicle overtaken is making or has signaled to make a left turn.
(2) 
Upon a street or highway with unobstructed pavement not occupied by parked vehicles of sufficient [width] for two (2) or more lines [of moving vehicles in each direction].
(3) 
Upon a one-way street, or upon any roadway on which traffic is restricted to one (1) direction of movement, when the roadway is free from obstruction and of sufficient width for two (2) or more lines of moving traffic.
(b) 
The driver of a vehicle may overtake and pass another vehicle upon the right only on conditions permitting such movement in safety. In no event shall such movement be made by driving off the pavement or main traveled portion of the roadway.
(1987 Code, ch. 9, sec. 8D; 2004 Code, sec. 12.804)
No vehicle shall be driven to the left side of the center of the roadway 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 interfering with the safe operation of any vehicle approaching from the opposite direction of the vehicle overtaken. In every event, the overtaking vehicle must return to the right-hand side of the roadway before coming within two hundred (200) feet of any vehicle approaching from the opposite direction.
(1987 Code, ch. 9, sec. 8E; 2004 Code, sec. 12.805)
(a) 
No vehicle shall at any time be driven to the left side of the roadway under the following conditions:
(1) 
When approaching the crest of a grade or upon a curve in a street or highway where the driver’s view is obstructed within such distance as to create a hazard in the event another vehicle might approach from the opposite direction.
(2) 
When approaching within one hundred (100) feet of or while traversing any intersection.
(3) 
When the view is obstructed upon approaching within one hundred (100) feet of any bridge, viaduct or tunnel.
(b) 
The foregoing limitations shall not apply upon a one-way street.
(1987 Code, ch. 9, sec. 8F; 2004 Code, sec. 12.806)
Whenever any roadway has been divided into two (2) or more clearly marked lanes for traffic, the following rules, in addition to all others consistent herewith, shall apply:
(1) 
The driver of any vehicle shall drive as nearly as practical entirely within a single lane and the vehicle shall not be moved from such lane until the driver first ascertains that such movement can be safely made.
(2) 
Upon a roadway which has been divided into three (3) lanes, the driver of the vehicle shall not drive in the center lane except when overtaking and passing another vehicle where the roadway is clearly visible and such center lane is clear of traffic within a safe distance, or in preparation for a left turn, or when such center lane is at the time allocated exclusively to traffic moving in the direction the vehicle is proceeding and is marked to give notice of such allocation.
(3) 
Official signs may be erected directing slow-moving traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway, and drivers of vehicles shall obey the direction of every such sign.
(1987 Code, ch. 9, sec. 8G; 2004 Code, sec. 12.807)
(a) 
The governing body may designate any alley, street or highway for one-way traffic, and it shall be the duty of the chief of police to erect upon any roadway so designated appropriate signs giving notice thereof.
(b) 
The governing body shall have the authority to designate for one-way by resolution and to erect appropriate signs giving notice thereof:
(1) 
Any section of roadway specifically designed for one-way operation, such as interchange roadways which are remotely separated for overpass purposes.
(2) 
Those access drives which require one-way operation for convenience or safety.
(c) 
Upon a roadway designated and signposted for one-way traffic, the driver of a vehicle shall drive only in the direction so designated.
(d) 
The driver of a vehicle passing around a rotary traffic island shall drive only to the right of such island.
(1987 Code, ch. 9, sec. 8H; 2004 Code, sec. 12.808)
(a) 
Generally.
(1) 
The driver of a motor vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of such vehicles and the traffic upon and the condition of the street or highway.
(2) 
Proof of collision by the front end of one (1) vehicle with the rear end of another vehicle, both of which had immediately been proceeding in a forward direction, shall be prima facie evidence of a violation of subsection (1) above, by the driver of the vehicle first mentioned.
(b) 
Vehicles drawing another vehicle.
The driver of any motor truck or motor vehicle drawing another vehicle, when traveling upon a roadway outside of a business or residential district and which is following another motor truck or motor vehicle drawing another vehicle, shall, whenever conditions permit, leave sufficient space so that an overtaking vehicle may enter and occupy such space without danger, except that this shall not prevent a motor truck or motor vehicle drawing another vehicle from overtaking and passing any like vehicle or other vehicle.
(c) 
Vehicles in caravan or motorcade.
Motor vehicles being drawn [driven] upon any roadway outside of a business or residential district in a caravan or motorcade, whether or not towing other vehicles, shall be so operated as to allow sufficient space between such vehicles or combination of vehicles as to allow any other vehicle to enter and occupy such space without danger. This provision shall not apply to a funeral procession.
(1987 Code, ch. 9, sec. 8I; 2004 Code, sec. 12.809)
Whenever any street or highway has been divided into two (2) or more roadways by leaving an intervening space or by physical barrier or clearly indicated dividing section so constructed as to impede vehicular traffic, every vehicle shall be driven only upon the right-hand roadway and no vehicle shall be driven over, across or within any such dividing space, barrier or divided section except through an opening in such physical barrier or divided section or space or at a cross-over or intersection established by public authority.
(1987 Code, ch. 9, sec. 8J; 2004 Code, sec. 12.810)