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HB26-1286 • 2026

Automated Driving System Commercial Vehicles

The bill prohibits using an automated driving system to drive a commercial motor vehicle unless an individual who holds a commercial driver's license is in the vehicle, monitors the vehicle's driving,

Passed Legislature

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

Sponsor
Rep. S. Lieder, Rep. C. Richardson, Sen. C. Kolker, Sen. L. Liston, Rep. J. Bacon, Rep. C. Barron, Rep. K. Brown, Rep. S. Camacho, Rep. M. Carter, Rep. C. Clifford, Rep. M. Duran, Rep. L. Feret, Rep. A. Flanell, Rep. M. Froelich, Rep. L. Garcia Sander, Rep. L. García, Rep. L. Goldstein, Rep. E. Hamrick, Rep. A. Hartsook, Rep. J. Jackson, Rep. J. Joseph, Rep. M. Lukens, Rep. J. Mabrey, Rep. M. Martinez, Rep. T. Mauro, Rep. K. Nguyen, Rep. A. Paschal, Rep. N. Ricks, Rep. M. Rutinel, Rep. G. Rydin, Rep. S. Slaugh, Rep. L. Smith, Rep. M. Soper, Rep. B. Titone, Rep. E. Velasco, Rep. J. Willford, Rep. T. Winter, Rep. S. Woodrow, Rep. D. Woog, Rep. Y. Zokaie
Last action
2026-03-18
Official status
House Committee on Transportation, Housing & Local Government Refer Amended to Appropriations
Effective date
Not listed

Plain English Breakdown

The candidate explanation included details about higher fines that are not explicitly detailed in the provided official summary. The bill will be subject to a public vote, which is noted in the official text.

Automated Driving System Commercial Vehicles

This bill prohibits using automated driving systems in commercial vehicles unless a licensed driver is present and ready to intervene if necessary, with penalties for violations.

What This Bill Does

  • Prohibits the use of an automated driving system in commercial motor vehicles without a human driver who holds a commercial driver's license being physically present.
  • Requires the person holding a commercial driver's license to be seated in the driver’s seat if hazardous materials are transported.
  • Necessitates that the licensed individual monitors and can intervene when necessary to prevent illegal or unsafe driving.
  • Imposes fines starting at $1,000 for first offenses, increasing to $2,000 for second offenses, and doubling for each subsequent offense.

Who It Names or Affects

  • Commercial motor vehicle drivers who use automated driving systems.
  • Companies that operate commercial vehicles with automated driving systems.

Terms To Know

Automated Driving System
A system that can control a vehicle's functions without human intervention.
Commercial Driver's License (CDL)
A license required to operate commercial motor vehicles.

Limits and Unknowns

  • Does not apply to light-duty vehicles or truck-mounted attenuators.
  • The bill will be put to a public vote before becoming law.

Amendments

These notes stay tied to the official amendment files and metadata from the legislature.

L.001

HOU Transportation, Housing & Local Government

Passed [*]

Plain English: The amendment changes the penalties for violating commercial vehicle driving rules with automated systems and sets a deadline to review these rules.

  • Changes the penalty for first and second convictions from unspecified penalties to specific monetary amounts: $1,000 plus a $150 surcharge for the first conviction, and $2,000 plus a $150 surcharge for the second conviction.
  • Adds a provision that repeals the section by September 1, 2031, unless recommended otherwise in a report to be issued based on an analysis of its effects.
  • The amendment removes several lines from the bill without specifying what those removed sections contained.
  • It is unclear how the specific penalties will affect compliance with commercial vehicle driving rules involving automated systems.
L.004

HOU Transportation, Housing & Local Government

Passed [*]

Plain English: The amendment changes the requirement for a commercial driver to be in the vehicle when an automated driving system is used, specifying that they must be physically present and ready to take control if needed.

  • Changes the bill's language to require a person with a commercial driver's license to be physically inside the vehicle and prepared to intervene if necessary.
  • The amendment does not specify what actions are considered illegal or unsafe driving by an automated system, leaving some details unclear.
L.005

HOU Transportation, Housing & Local Government

Passed [*]

Plain English: The amendment adds specific weight requirements for commercial vehicles that use automated driving systems.

  • Adds a requirement that only commercial motor vehicles weighing 26,001 pounds or more must have a licensed driver present when using an automated driving system.
  • The amendment does not specify what happens to lighter commercial vehicles under 26,001 pounds.
  • It is unclear if there are any exceptions for testing or research purposes.
L.006

HOU Transportation, Housing & Local Government

Passed [*]

Plain English: The amendment changes the requirement for a commercial driver's license to operate an automated driving system in a commercial vehicle, specifying that the appropriate commercial driver's license with any necessary endorsements must be held by the individual monitoring the vehicle.

  • Changes the wording from 'a commercial driver's license' to 'the appropriate commercial driver's license with any required endorsement for the commercial vehicle'.
  • The amendment does not provide additional details about what specific endorsements might be necessary or how they would affect the operation of automated driving systems in commercial vehicles.

Bill History

  1. 2026-03-18 House

    House Committee on Transportation, Housing & Local Government Refer Amended to Appropriations

  2. 2026-02-20 House

    Introduced In House - Assigned to Transportation, Housing & Local Government

Official Summary Text

The bill prohibits using an automated driving system to drive a commercial motor vehicle unless an individual who holds a commercial driver's license is in the vehicle, monitors the vehicle's driving, and intervenes, if necessary, to avoid illegal or unsafe driving. If the commercial vehicle is transporting hazardous materials, the individual must be in the driver's seat. The penalty is $1,000 for a first offense, is $2,000 for a second offense, and doubles for each subsequent offense.
The bill does not apply to a light-duty vehicle or a truck-mounted attenuator.
(Note: This summary applies to this bill as introduced.)

Current Bill Text

Read the full stored bill text
Second Regular Session
Seventy-fifth General Assembly
STATE OF COLORADO
INTRODUCED

LLS NO. 26-0333.01 Jery Payne x2157 HOUSE BILL 26-1286
House Committees Senate Committees
Transportation, Housing & Local Government
A BILL FOR AN ACT
CONCERNING A REQUIREMENT THAT A COMMERCIAL MOTOR VEHICLE101
HAVE A HUMAN PRESENT WHEN THE COMMERCIAL MOTOR102
VEHICLE IS BEING DRIVEN BY AN AUTOMATED DRIVING SYSTEM.103
Bill Summary
(Note: This summary applies to this bill as introduced and does
not reflect any amendments that may be subsequently adopted. If this bill
passes third reading in the house of introduction, a bill summary that
applies to the reengrossed version of this bill will be available at
http://leg.colorado.gov.)
The bill prohibits using an automated driving system to drive a
commercial motor vehicle unless an individual who holds a commercial
driver's license is in the vehicle, monitors the vehicle's driving, and
intervenes, if necessary, to avoid illegal or unsafe driving. If the
commercial vehicle is transporting hazardous materials, the individual
HOUSE SPONSORSHIP
Lieder and Richardson, Bacon, Barron, Brown, Camacho, Carter, Clifford, Duran, Feret,
Flanell, Froelich, Garcia, Garcia Sander, Go ldstein, Hamrick, Hartsook, Jackson, Joseph,
Lukens, Mabrey, Martinez, Mauro, Nguyen, Paschal, Ricks, Rutinel, Rydin, Slaugh, Smith,
Soper, Titone, Velasco, Willford, Winter T., Woodrow, Woog, Zokaie
SENATE SPONSORSHIP
Kolker and Liston,
Shading denotes HOUSE amendment. Double underlining denotes SENATE amendment.
Capital letters or bold & italic numbers indicate new material to be added to existing law.
Dashes through the words or numbers indicate deletions from existing law.
must be in the driver's seat. The penalty is $1,000 for a first offense, is
$2,000 for a second offense, and doubles for each subsequent offense.
The bill does not apply to a light-duty vehicle or a truck-mounted
attenuator.
Be it enacted by the General Assembly of the State of Colorado:1
SECTION 1. In Colorado Revised Statutes, 42-4-242, amend (1)2
as follows:3
42-4-242. Automated driving systems - safe harbor.4
(1) SUBJECT TO SECTION 42-2-410, a person may use an automated5
driving system to drive a motor vehicle or to control a function of a motor6
vehicle if the system is capable of complying with every state and federal7
law that applies to the function that the system is operating.8
SECTION 2. In Colorado Revised Statutes, add 42-2-410 as9
follows:10
42-2-410. Automated driving systems for commercial motor11
vehicles - exceptions - definitions.12
(1) A PERSON SHALL NOT USE AN AUTOMATED DRIVING SYSTEM ON13
A HIGHWAY TO DRIVE A COMMERCIAL MOTOR VEHICLE UNLESS AN14
INDIVIDUAL WHO HOLDS A COMMERCIAL DRIVER'S LICENSE:15
(a) IS PHYSICALLY PRESENT IN THE COMMERCIAL MOTOR VEHICLE;16
(b) IS SEATED IN THE DRIVER'S SEAT OF THE COMMERCIAL MOTOR17
VEHICLE IF HAZARDOUS MATERIALS ARE BEING TRANSPORTED;18
(c) MONITORS THE PERFORMANCE OF THE COMMERCIAL MOTOR19
VEHICLE WHILE DRIVING ON THE ROADWAY; AND20
(d) I NTERVENES, IF NECESSARY , TO AVOID ILLEGAL OR UNSAFE21
DRIVING OF THE COMMERCIAL MOTOR VEHICLE.22
(2) THIS SECTION DOES NOT AFFECT THE DUTY OF A PERSON TO23
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COMPLY WITH PART 3 OF ARTICLE 20 OF THIS TITLE 42.1
(3) A PERSON THAT VIOLATES THIS SECTION COMMITS A CLASS A2
TRAFFIC INFRACTION AND IS SUBJECT TO THE PENALTIES SET FORTH IN3
SECTION 42-4-1701 (4)(a)(I)(A) AND (4)(g).4
(4) THIS SECTION DOES NOT APPLY TO A LIGHT-DUTY VEHICLE OR5
A TRUCK-MOUNTED ATTENUATOR.6
(5) AS USED IN THIS SECTION , UNLESS THE CONTEXT OTHERWISE7
REQUIRES:8
(a) "COMMERCIAL MOTOR VEHICLE" HAS THE SAME MEANING AS9
"COMMERCIAL VEHICLE" AS SET FORTH IN SECTION 42-4-235 (1)(a).10
(b) "T RUCK-MOUNTED ATTENUATOR " MEANS A HEAVY -DUTY11
TRUCK FITTED WITH AN ENERGY-ABSORBING CRASH DEVICE THAT ACTS AS12
A MOBILE BARRIER TO BE THE FIRST POINT OF CONTACT IN A REAR -END13
COLLISION AND THAT IS USED TO PROTECT PERSONNEL IN A HIGHWAY14
CONSTRUCTION OR MAINTENANCE ZONE.15
SECTION 3. In Colorado Revised Statutes, 42-4-1701, amend16
(4)(a)(I)(A); and add (4)(g) as follows:17
42-4-1701. Traffic offenses and infractions classified -18
penalties - penalty and surcharge schedule - repeal.19
(4) (a) (I) Except as provided in subsection (5)(c) of this section,20
every person who is convicted of, who admits liability for, or against21
whom a judgment is entered for a violation of this title 42 to which22
subsection (5)(a) or (5)(b) of this section applies shall be fined or23
penalized and have a surcharge levied in accordance with sections24
24-4.1-119 (1)(f) and 24-4.2-104 (1)(b)(I), in accordance with the penalty25
and surcharge schedule set forth in subsections (4)(a)(I)(A) to (4)(a)(I)(S)26
of this section; or, if no penalty or surcharge is specified in the schedule,27
HB26-1286-3-
the penalty for class A and class B traffic infractions is fifteen dollars,1
and the surcharge is four dollars. These penalties and surcharges apply2
whether the defendant acknowledges the defendant's guilt or liability in3
accordance with the procedure set forth by subsection (5)(a) of this4
section, is found guilty by a court of competent jurisdiction, or has5
judgment entered against the defendant by a county court magistrate.6
Penalties and surcharges for violating specific sections are as follows:7
Section Violated Penalty Surcharge8
(A) Driver's license violations:9
42-2-101 $ 35.00 $ 10.0010
42-2-101 (2), (3), or (5) 15.00 6.0011
42-2-103 15.00 6.0012
42-2-105 70.00 10.0013
42-2-105.5 (4) 65.00 10.0014
42-2-106 70.00 10.0015
42-2-115 35.00 10.0016
42-2-116 (6)(a) 30.00 6.0017
42-2-119 15.00 6.0018
42-2-134 35.00 10.0019
42-2-136 35.00 10.0020
42-2-138 100.00 15.0021
42-2-139 35.00 10.0022
42-2-140 35.00 10.0023
42-2-141 35.00 10.0024
42-2-204 70.00 10.0025
42-2-404 100.00 15.0026
42-2-410 1,000.00 150.0027
HB26-1286-4-
(g) T HE PENALTY FOR A SECOND CONVICTION FOR VIOLATING1
SECTION 42-2-410 IS TWO THOUSAND DOLLARS , AND THE PENALTY FOR2
VIOLATING SECTION 42-2-410 DOUBLES FOR EACH SUBSEQUENT3
CONVICTION.4
SECTION 4. Applicability. This act applies to offenses5
committed on or after the effective date of this act.6
SECTION 5. Refer to people under referendum. At the7
election held on November 3, 2026, the secretary of state shall submit this8
act by its ballot title to the registered electors of the state for their9
approval or rejection. Each elector voting at the election may cast a vote10
either "Yes/For" or "No/Against" on the following ballot title: "Shall11
there be a change to the Colorado Revised Statutes creating new law to12
prohibit the use of an automated driving system on a highway to drive a13
commercial motor vehicle unless an individual who holds a commercial14
driver's license is physically present in the commercial motor vehicle, is15
seated in the driver's seat of the commercial motor vehicle while16
hazardous materials are being transported, monitors the performance of17
the commercial motor vehicle while driving on the roadway, and18
intervenes, if necessary, to avoid illegal or unsafe driving of the19
commercial motor vehicle?" Except as otherwise provided in section20
1-40-123, Colorado Revised Statutes, if a majority of the electors voting21
on the ballot title vote "Yes/For", then the act will become part of the22
Colorado Revised Statutes.23
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