driving on highways; lane regulations

HB2087 - driving on highways; lane regulations

Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor: Nick Kupper
Last action: 2026-01-13
Official status: House second read
Effective date: Not listed

Plain English Breakdown

The official text does not specify an effective date; it only shows legislative passage status as of January 2026.

HB2087: Rules for Heavy Trucks and Lane Use

This bill updates Arizona law so that heavy trucks must drive in specific lanes marked by signs or stay out of the left lane on highways with three or more lanes.

What This Bill Does

Allows state departments or local authorities to mark special lanes for certain vehicles after studying traffic safety.
Requires officials to place signs at regular intervals if they designate specific lanes for these trucks.
Mandates that heavy motor vehicles over 26,000 pounds drive only in the marked lanes if signs exist.
Prohibits large trucks from driving in the far-left lane on divided highways with three or more travel lanes unless a special lane is assigned.
Exempts drivers who are turning left or right, entering or exiting the highway, or following their route when no other option exists.

Who It Names or Affects

Drivers of motor vehicles weighing more than 26,000 pounds
Drivers pulling pole trailers that weigh 6,000 pounds or more
State transportation departments and local authorities managing highways

Terms To Know

Declared gross weight: The total weight of a vehicle as officially stated for legal purposes.
Vehicle combination: A truck or car pulling one or more trailers, treated as a single unit under the law.
Pole trailer: A type of heavy trailer attached to a vehicle by a long pole-like structure.

Limits and Unknowns

The bill does not apply if signs are missing or have not been erected yet.
Vehicles designed to carry sixteen or more passengers, including the driver, are excluded from the weight limit rule.
Highways with fewer than three lanes in one direction do not trigger the left-lane restriction.

Bill History

2026-01-13 House
House second read
2026-01-12 House
House Rules: None
2026-01-12 House
House Transportation & Infrastructure: None
2026-01-12 House
House first read

Official Summary Text

HB2087 - driving on highways; lane regulations

Current Bill Text

Read the full stored bill text

HB2087 - 572R - I Ver

PREFILED��� DEC 23 2025

REFERENCE TITLE:
driving on highways; lane regulations

State of Arizona

House of Representatives

Fifty-seventh Legislature

Second Regular Session

2026

HB 2087

Introduced by

Representative
Kupper

AN
ACT

amending section 28-736, Arizona Revised
Statutes; relating to driving on highways.

(TEXT OF BILL BEGINS ON NEXT PAGE)

Be it enacted by the Legislature of the State of Arizona:

Section 1. Section 28-736, Arizona Revised Statutes, is amended to read:

START_STATUTE
28-736.

Use of highway lanes; restrictions

A. If the department or a local authority determines
on the basis of an engineering and traffic investigation of a highway under its
jurisdiction that the designation of a specific lane or lanes for travel of the
vehicles prescribed in subsection B of this section would facilitate the safe
and orderly movement of traffic, the department or local authority may
designate a specific lane or lanes for the travel of those vehicles and shall
erect signs at reasonable intervals giving notice of those lanes.

B. The following vehicles shall be driven in the
lane or lanes designated pursuant to subsection A of this section if signs are
erected giving notice of that designation:

1. A motor vehicle or vehicle combination with a
declared gross weight of more than twenty-six thousand pounds, excluding
a motor vehicle designed for carrying sixteen or more passengers, including the
driver.� For the purposes of this paragraph, "declared gross weight"
and "vehicle combination" have the same
meaning

meanings
prescribed in section 28-5431.

2. A vehicle that is drawing a pole trailer that
weighs six thousand or more pounds.

C. Except as otherwise provided in
this section, on a divided highway that has three or more clearly marked lanes
for traffic in one direction, excluding any hov lanes, if a specific lane or
lanes have not been designated pursuant to subsection A of this section, a
vehicle prescribed in subsection B of this section shall not be driven in the
extreme left-hand lane for traffic.

C.
D.
This
section does not apply to a driver who is preparing for a left-hand or
right-hand turn, who is entering or exiting a highway or who must
necessarily drive in a lane other than the designated lane to continue on the
driver's intended route.
END_STATUTE