(a) 
Definitions.
Engine braking system.
Any switch or device that adjusts vehicle engine timing and compression to slow the vehicle or which converts the motor from an internal combustion engine to an air compressor for the purpose of vehicle braking without the use of wheel brakes.
(b) 
Prohibited.
Knowingly utilizing or permitting the utilization of an engine braking system while operating a motor vehicle on a public street or highway within the city limits of the city, by any person is hereby prohibited, and the same is declared to be a public nuisance.
(c) 
Defense established.
It is an affirmative defense to conviction of an offense under this section that the engine braking system was used to slow the motor vehicle in order to avoid imminent danger.
(d) 
Signs.
The city manager is hereby directed to ensure signs are installed at appropriate locations within the city rights-of-way prohibiting the use of engine braking exhaust systems except during emergency operations as set forth in this section.
(e) 
Presumption.
Following the posting of signs informing the public of the prohibition of this section, it shall be presumed that the person violating the provisions knowingly violated its terms.
(f) 
Enforcement.
The city police department shall enforce this section.
(Ordinance 2014-09-08 (7A) adopted 9/8/14)
No person shall drive a vehicle on any street in the city limits at a speed greater than is reasonable and prudent under the conditions and having regard to the actual and potential hazards then existing. In every event, speed shall be so controlled as may be necessary to avoid colliding with any person, vehicle or conveyance entering the highway in compliance with legal requirements, and it shall be the duty of all persons to use due care. No person shall operate or drive any motor vehicle or other vehicle within the corporate limits of the city on any paved street at a greater speed than thirty (30) miles per hour unless signs are erected designating another speed limit, or on any unpaved street at a greater speed than twenty (20) miles per hour, or in any alley at a greater speed than fifteen (15) miles per hour.
(1996 Code, sec. 10.301)
Whenever the city shall determine upon the basis of an engineering and/or traffic investigation that the thirty (30) miles per hour speed limit hereinbefore set forth is greater or less than is reasonable or safe under the conditions found to exist at any intersection or other place, or upon any part of the street or highway, the city shall upon authorization by the city council by appropriate ordinance establish such speed limit as shall be effective at all times when appropriate signs giving notice thereof are erected at such intersection or other place or part of the highway or street.
(1996 Code, sec. 10.302)
No person shall drive a motor vehicle at such a slow speed as to impede the normal and reasonable movement of traffic, except when reduced speed is necessary for safe operation, or in compliance with law, or at the direction of a police officer. Police officers are hereby authorized to enforce this provision by directions to drivers and, in the event of apparent willful disobedience to this provision and refusal to comply with the direction of an officer in accordance herewith, the continued slow operation by a driver shall be a misdemeanor.
(1996 Code, sec. 10.303)
Speed limitations set forth in this division shall not apply to an authorized emergency vehicle when responding to an emergency call or when used in pursuit of an actual or suspected violator of the law, or when responding to but not upon returning from a fire alarm, and the driver thereof sounds audible signal by bell, siren or exhaust whistle, and/or when such emergency vehicle is equipped with at least one lighted lamp exhibiting a red light visible under normal atmospheric conditions from a distance of five hundred (500) feet to the front of such vehicle. This provision shall not relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons using the street, nor shall it protect the driver of any such vehicle from the consequences of a reckless disregard of the safety of others.
(1996 Code, sec. 10.304)
No person shall operate or drive a motor vehicle or other vehicle upon the following described streets at a greater speed than the speed designated for that street or portion of that street as set forth herein, and any speed in excess of the limits set forth in this section shall be prima facie evidence that such speed is neither reasonable nor prudent and is unlawful:
(1) 
U.S. 79, for traffic moving in an easterly direction:
(A) 
For the first 1.003 miles from the west city limit: 55 mph. Within the limits of said 55 mph speed zone, from 364 feet east of the west city limit to approximately 1526 feet east of the west city limit, the speed limit shall be 35 mph when so signed for school zone.
(B) 
For the next 0.651 miles: 45 mph.
(C) 
For the next 0.390 miles: 40 mph.
(D) 
For the next 0.345 miles: 35 mph.
(E) 
For the next 0.622 miles: 30 mph.
(F) 
For the next 0.240 miles: 35 mph.
(G) 
For the next 0.215 miles: 40 mph.
(H) 
For the next 0.385 miles: 45 mph.
(I) 
For the next 0.430 miles: 50 mph.
(J) 
For the next 0.114 miles to the east city limit: 55 mph.
(2) 
U.S. 79, for traffic moving in a westerly direction:
(A) 
For the first 0.114 miles from the east city limit: 55 mph.
(B) 
For the next 0.430 miles: 50 mph.
(C) 
For the next 0.385 miles: 45 mph.
(D) 
For the next 0.215 miles: 40 mph.
(E) 
For the next 0.240 miles: 35 mph.
(F) 
For the next 0.622 miles: 30 mph.
(G) 
For the next 0.345 miles: 35 mph.
(H) 
For the next 0.390 miles: 40 mph.
(I) 
For the next 0.651 miles: 45 mph.
(J) 
For the next 1.003 miles: 55 mph. Within the limits of said 55 mph speed zone, from approximately 364 feet east of the west city limit to approximately 1526 feet east of the west city limit, the speed limit shall be 35 mph when so signed for school zone.
(3) 
FM 487, for traffic moving in a southerly direction:
(A) 
For 0.262 miles from the north city limits: 35 mph.
(B) 
For the next 0.374 miles, to U.S. 79: 30 mph.
(C) 
Thence, the FM 487 route traverses in a westerly direction concurrently on U.S. 79 to the U.S. 79 and FM 487 centerline intersection. Speed limits along this section are as established for U.S. 79.
(D) 
Commencing in a southerly direction from the point where the centerline of U.S. 79 intersects FM 487, for the next 0.215 miles: 40 mph.
(E) 
For the next 0.219 miles: 50 miles per hour, to Roberts Street.
(F) 
For the next 0.350 miles: 55 miles per hour to the city limits.
(4) 
FM 487, for traffic moving in a northerly direction:
(A) 
For 0.219 miles from the south city limits: 50 mph.
(B) 
For the next 0.215 miles to U.S. 79: 40 mph.
(C) 
Thence, the FM 487 route traverses in an easterly direction concurrently on U.S. 79 to the U.S. 79 and FM 487 centerline intersection. Speed limits along this section are as established for U.S. 79.
(D) 
Commencing in a northerly direction from the point where the centerline of U.S. 79 intersects FM 487, for the next 0.374 miles: 30 mph.
(E) 
For the next 0.262 miles, to the north city limits: 35 miles per hour.
(5) 
Farm to Market Road 908, for traffic moving in both directions:
(A) 
For the first 0.280 miles from the north city limit: 35 mph.
(B) 
For the next 0.544 miles: 30 mph.
(C) 
For the next 0.461 miles to the south city limit: 35 mph.
(6) 
U.S. 77, for traffic moving in a southerly direction, for 0.631 miles from the north city limit, to the south city limit: 60 mph.
(7) 
U.S. 77, for traffic moving in a northerly direction, for 0.631 miles from the south city limit, to the north city limit: 60 mph.
(8) 
Metcalfe Street for traffic moving in both directions: 25 miles per hour.
(1996 Code, sec. 10.305; Ordinance adopted 6/8/98; Ordinance adopted 11/10/03; Ordinance 2009-07-13 (7A) adopted 7/13/09; Ordinance 2015-09-14 (8A) adopted 9/14/15)