(a) The department of transportation is empowered to lower the speed limits prescribed in § 55-8-152 in business, urban or residential districts, or at any congested area, dangerous intersection or whenever and wherever the department shall determine, upon the basis of an engineering and traffic investigation, that the public safety requires a lower speed limit.

Attorney's Note

Under the Tennessee Code, punishments for crimes depend on the classification. In the case of this section:
ClassPrisonFine
class B misdemeanorup to 6 monthsup to $500
For details, see Tenn. Code § 40-35-111

Terms Used In Tennessee Code 55-8-153

  • Department: means the department of safety. See Tennessee Code 55-8-101
  • Highway: means the entire width between the boundary lines of every way when any part thereto is open to the use of the public for purposes of vehicular travel. See Tennessee Code 55-8-101
  • Intersection: means :
    (A) The area embraced within the prolongation or connection of the lateral curb lines, or, if none, then the lateral boundary lines of the roadways of two (2) highways that join one another at, or approximately at, right angles, or the areas within which vehicles traveling upon different highways joining at any other angle may come in conflict. See Tennessee Code 55-8-101
  • Jurisdiction: (1) The legal authority of a court to hear and decide a case. Concurrent jurisdiction exists when two courts have simultaneous responsibility for the same case. (2) The geographic area over which the court has authority to decide cases.
  • Road: includes public bridges and may be held equivalent to the words "county way" "county road" or "state road". See Tennessee Code 1-3-105
  • State: when applied to the different parts of the United States, includes the District of Columbia and the several territories of the United States. See Tennessee Code 1-3-105
  • Traffic: means pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances either singly or together while using any highway for purposes of travel. See Tennessee Code 55-8-101
(b) Appropriate signs giving notice of the lower speed limit shall be erected by the department at such places or put on the highway where the prescribed speed limits are effective.
(c)

(1)

(A) The legislative authorities of municipalities shall possess the power to prescribe lower speed limits on highways designated as state highways in their respective jurisdictions when, on the basis of an engineering and traffic investigation, it is shown that the public safety requires a lower speed limit.
(B) Engineering and traffic investigations used to establish special speed zone locations and speed limits by municipalities on state highways shall be made in accordance with established traffic engineering practices and in a manner that conforms to the Tennessee manual on uniform traffic control devices (MUTCD). The investigations shall be documented and documentation shall be maintained by the jurisdiction performing or sponsoring the investigation.
(C) All signs, signals and other forms of public notification of the speed limits, road hazards and other traffic conditions shall comply with the MUTCD.
(2) The legislative bodies of municipalities shall also possess the power to prescribe lower speed limits within certain areas or zones, or on designated highways, avenues or streets that are not designated as state highways in their respective jurisdictions, and to erect appropriate signs and traffic signals.
(d) The legislative body of any county, except the legislative bodies of any counties having a commission form of government, has the power to prescribe such lower speed limits as it may deem appropriate on any road being maintained by the county and shall erect appropriate signs and traffic signals. In those counties having a commission form of government, the board of commissioners has the power prescribed in this section.
(e) A violation of the speed limits established by the department pursuant to subsection (a) is a Class B misdemeanor, punishable by fine only, when employees of the department or construction workers are present. The department, or its agents, are directed to indicate the presence of workers or department employees with signs with flashing amber lights; provided, that this penalty is applicable in highway construction zones only to those speeding violations that have been detected by radar, infrared or similar detection devices. The amount of the fine imposed pursuant to subsection (a) for violations that occur in work zones where the speed limits have been reduced by the department and when employees of the department or construction workers are present shall be not less than two hundred fifty dollars ($250).