City of Dardenne Prairie, MO
St. Charles County
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Table of Contents
Table of Contents
[Ord. No. 754 §1(335.010), 5-20-2004]
A. 
The driver of a vehicle intending to turn at an intersection shall do so as follows:
1. 
Right turns. Both the approach for a right turn and a right turn shall be made as close as practicable to the right-hand curb edge of the roadway.
2. 
Left turn. The driver of a vehicle intending to turn left at any intersection shall approach the intersection in the extreme left lane lawfully available to traffic moving in the direction of travel of such vehicle and, after entering the intersection, the left turn shall be made so as to leave the intersection, as nearly as practicable, in the left most lane lawfully available to traffic moving in such direction upon the roadway being entered. Whenever practicable, the left turn shall be made in that portion of the intersection to the left of the center of the intersection so as not to interfere with vehicles traveling in the opposite direction attempting to turn left safely at the same time.
3. 
U-turn. The driver of a vehicle shall not turn such vehicle so as to proceed in the opposite direction at any:
a. 
Intersection controlled by traffic signal or Police Officer.
b. 
Curve, approach to or near the crest of a grade or any place upon a roadway where such vehicle cannot be seen by the driver of any other vehicle approaching from either direction along the roadway within a distance of three hundred (300) feet;
And shall not do so unless such movement can be made in a safe manner and without interfering with other traffic.
[Ord. No. 754 §1(335.020), 5-20-2004]
A. 
The City of Dardenne Prairie, any agent authorized by the City or a Police Officer for the special temporary situations where it is necessary to redirect traffic from its normal course is authorized to place markers, traffic control devices or signs within or adjacent to intersections indicating the course to be traveled by vehicles turning at such intersections and such course to be traveled as so indicated may conform to or be other than as prescribed by law or ordinance.
B. 
When authorized markers or other indicators are placed within an intersection indicating the course to be traveled by vehicles turning thereat, no driver of a vehicle shall disobey the directions of such indicators.
[Ord. No. 754 §1(335.030), 5-20-2004]
The City of Dardenne Prairie is hereby authorized to determine those intersections at which drivers of vehicles shall not make a right, left or U-turn and shall place proper signs at such intersections. The making of such turns may be prohibited between certain hours of any day and permitted at other hours, in which event the same shall be plainly indicated on the signs or they may be removed when such turns are permitted.
[Ord. No. 754 §1(335.040), 5-20-2004]
Whenever authorized signs are erected indicating that no right, left or U-turn is permitted, no driver of a vehicle shall disobey the directions of any such sign.
[Ord. No. 1573 §1, 7-20-2011]
A. 
No person shall stop or suddenly decrease the speed of or turn a vehicle from a direct course or move right or left upon a roadway unless and until such movement can be made with reasonable safety and then only after the giving of an appropriate signal in the manner provided herein:
1. 
An operator or driver when stopping, or when checking the speed of the operator's vehicle, if the movement of other vehicles may reasonably be affected by such checking of speed, shall extend such operator's arm at an angle below horizontal so that the same may be seen in the rear of the vehicle;
2. 
An operator or driver intending to turn the operator's vehicle to the right shall extend such operator's arm at an angle above horizontal so that the same may be seen in front of and in the rear of the vehicle, and shall slow down and approach the intersecting highway as near as practicable to the right side of the highway along which such operator is proceeding before turning;
3. 
An operator or driver intending to turn the operator's vehicle to the left shall extend such operator's arm in a horizontal position so that the same may be seen in the rear of the vehicle, and shall slow down and approach the intersecting highway so that the left side of the vehicle shall be as near as practicable to the center line of the highway along which the operator is proceeding before turning;
4. 
The signals herein required shall be given either by means of the hand and arm or by a signal light or signal device in good mechanical condition of a type approved by the State Highway Patrol; however, when a vehicle is so constructed or loaded that a hand and arm signal would not be visible both to the front and rear of such vehicle then such signals shall be given by such light or device. A vehicle shall be considered as so constructed or loaded that a hand and arm signal would not be visible both to the front and rear when the distance from the center of the top of the steering post to the left outside limit of the body, cab or load exceeds twenty-four (24) inches, or when the distance from the center of the top of the steering post to the rear limit of the body or load thereon exceeds fourteen (14) feet, which limit of fourteen (14) feet shall apply to single vehicles or combinations of vehicles. The provisions of this Subsection shall not apply to any trailer which does not interfere with a clear view of the hand signals of the operator or of the signaling device upon the vehicle pulling such trailer; provided further that the provisions of this Section as far as mechanical devices on vehicles so constructed that a hand and arm signal would not be visible both to the front and rear of such vehicle as above provided shall only be applicable to new vehicles registered within this State after the first day of January, 1954.