Helemt Use: Required by law under age 18 Eye Protection: Required by law unless equipped with windscreen Daytime use of headlight: Modulating headlight permitted Muffler: No acoustical criteria. Handelbar Height: Handgrips below shoulder height Lane Spliting: Motorcycle operation between lanes prohibited--Violation as misdemeanor. No person may operate a motorcycle between adjacent lanes of traffic, or between adjacent lines or rows of vehicles. A violation of this section is a Class 2 misdemeanor. More Motorcycle Laws