(a) Notwithstanding the prima facie speed limits, any vehicle proceeding upon a highway at a speed less than the normal speed of traffic moving in the same direction at such time shall be driven in the right-hand lane for traffic or as close as practicable to the right-hand edge or curb, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway.

(b) If a vehicle is being driven at a speed less than the normal speed of traffic moving in the same direction at such time, and is not being driven in the right-hand lane for traffic or as close as practicable to the right-hand edge or curb, it shall constitute prima facie evidence that the driver is operating the vehicle in violation of subdivision (a) of this section.

Terms Used In California Vehicle Code 21654

  • Department: means the Department of Motor Vehicles except, when used in Chapter 2 (commencing with Section 2100) of Division 2 and in Divisions 11 (commencing with Section 21000), 12 (commencing with Section 24000), 13 (commencing with Section 29000), 14 (commencing with Section 31600), 14. See California Vehicle Code 290
  • driver: is a person who drives or is in actual physical control of a vehicle. See California Vehicle Code 305
  • Evidence: Information presented in testimony or in documents that is used to persuade the fact finder (judge or jury) to decide the case for one side or the other.
  • Highway: is a way or place of whatever nature, publicly maintained and open to the use of the public for purposes of vehicular travel. See California Vehicle Code 360
  • 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.
  • Local authorities: means the legislative body of every county or municipality having authority to adopt local police regulations. See California Vehicle Code 385
  • Private road or driveway: is a way or place in private ownership and used for vehicular travel by the owner and those having express or implied permission from the owner but not by other members of the public. See California Vehicle Code 490
  • Road: means any existing vehicle route established before January 1, 1979, with significant evidence of prior regular travel by vehicles subject to registration pursuant to Article 1 (commencing with Section 4000) of Chapter 1 of Division 3. See California Vehicle Code 527
  • traffic: includes pedestrians, ridden animals, vehicles, street cars, and other conveyances, either singly or together, while using any highway for purposes of travel. See California Vehicle Code 620
  • vehicle: is a device by which any person or property may be propelled, moved, or drawn upon a highway, excepting a device moved exclusively by human power or used exclusively upon stationary rails or tracks. See California Vehicle Code 670

(c) The Department of Transportation, with respect to state highways, and local authorities, with respect to highways under their jurisdiction, may place and maintain upon highways official signs directing slow-moving traffic to use the right-hand traffic lane except when overtaking and passing another vehicle or preparing for a left turn.

(Amended by Stats. 1974, Ch. 545.)

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