Illinois State Police Troop 2 announced Tuesday that troopers will launch the following specialty patrols in December in La Salle County:

• Nighttime enforcement patrols to catch violations, especially between 6 p.m. and 6 a.m.

• Occupant-restraint enforcement patrols to focus on safety belt and child safety seat laws.

• Alcohol countermeasure enforcement patrols to catch driving under the influence and other forms of impairment.

• Distracted driving patrols to eliminate driver behaviors such as handheld cellular telephone use that elevate the risk of a crash.

• Special traffic patrols designed to ferret out impaired driving, seat-belt violations, distracted driving and speeding.