MO SB1299

Requires vehicles on multi-lane highways to drive in the right-hand lane except when passing, turning left, or following traffic signs, with violations subject to a minimum $300 fine

Requires drivers on two-lane roads outside urban areas to pull off the roadway when five or more vehicles are immediately following them, with a $100 fine for non-compliance

Establishes tiered penalties for lane violations: Class C misdemeanor normally, Class B misdemeanor if causing immediate threat of accident, Class A misdemeanor if an accident results

Prohibits trucks over 48,000 pounds gross weight from using the far left lane on interstate highways, freeways, or expressways in urbanized areas with three or more lanes

Exempts fines from left-lane and slow-driver pullover violations from the municipal revenue cap that limits traffic fine revenue to 20-30% of a municipality's general operating budget