Indiana Truck Lane Restrictions

Which lanes a truck can use in Indiana

Indiana keeps trucks to the right on every interstate. On a two-lane interstate you run the far-right lane; where there are three or more lanes your way, you're held to the right two lanes (IC 9-21-8-12, 9-21-8-13). This hits any truck, tractor, or trailer rig. You can move left only to pass, to enter or exit, or to clear a hazard. The base ticket is a Class C infraction up to $500, and it jumps to a Class A infraction up to $10,000 if you hurt someone.

Roads, exceptions, and signs

• Where it applies: Interstate highways statewide. Two-lane-each-way interstates: far-right lane only. Interstates with three or more lanes each way: right two lanes only. Think I-465, I-65, and I-69 through Indianapolis.
• Statutory, and often signed "Trucks use right 2 lanes" on urban interstates. The law applies whether or not a sign is posted.
• General rule: A general keep-right/pass-left rule also applies to all traffic (IC 9-21-8-2). Slower vehicles keep right.
• Two separate sections: 9-21-8-12 sets the far-right-lane rule on interstates generally; 9-21-8-13 extends it to the right two lanes where the interstate has at least three lanes one way. The restriction is limited to interstates.

What a lane violation costs

Class C infraction, up to $500 if you contest it and lose. If the violation causes bodily injury in a crash it becomes a Class A infraction, up to $10,000.

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