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HB 1286
Colorado House•Vetoed
Summary
HB 1286, “Automated Driving System Commercial Vehicles”, was introduced in the House on Feb 20, 2026 by Rep. Sheila Lieder (D) with 51 co-sponsors. It last saw action on May 28, 2026: Governor Vetoed.
Record
Text
HB 1286 has 51 co-sponsors and 13 roll calls.
hb1286/chaptered.txtHOUSEBILL26-128~ ~ - ;_oBY REPRESENTA~ ,Lieder and Richardson, Bacon, Barron,Brown, Camacho, ~arter,-Clifford, Duran, Feret, Flanell, Froelich, Garcia,Garcia Sander, Goldstein, Hamrick, Hartsook, Jackson, Joseph, Lukens,Mabrey, Martinez, Mauro, Nguyen, Paschal, Ricks, Rutinel, Rydin, Slaugh,Smith, Soper, Titone, Velasco, Willford, Winter T., Woodrow, Woog,Zokaie, Espenoza, Lindsay, Phillips, Sirota, Story;also SENATOR(S) Kolker and Liston, Danielson, Exum, Kipp, Marchman,Mullica, Sullivan, Coleman.CONCERNING A REQUIREMENT THAT A COMMERCIAL MOTOR VEHICLE HA VEA HUMAN PRESENT WHEN THE COMMERCIAL MOTOR VEHICLE IS BEINGDRIVEN BY AN AUTOMATED DRIVING SYSTEM, AND, IN CONNECTIONTHEREWITH, MAKING AN APPROPRIATION.Be it enacted by the General Assembly of the State of Colorado:SECTION 1. In Colorado Revised Statutes, 42-4-242, amend ( 1)as follows:42-4-242. Automated driving systems - safe harbor.(1) SUBJECT TO SECTION 42-2-410, a person may use an automatedCapital letters or bold & italic numbers indicate new material added to existing law; dashesthrough words or numbers indicate deletions from existing law and such material is not part ofthe act.driving system to drive a motor vehicle or to control a function of a motorvehicle if the system is capable of complying with every state and federallaw that applies to the function that the system is operating.SECTION 2. In Colorado Revised Statutes, add 42-2-410 asfollows:42-2-410. Automated driving systems for commercial motorvehicles - exceptions - definitions - repeal.(1) A PERSON SHALL NOT USE AN AUTOMATED DRIVING SYSTEM ONA HIGHWAY TO DRIVE A COMMERCIAL MOTOR VEHICLE THAT HAS AMANUFACTURER'S GROSS VEHICLE WEIGHT RATING OR GROSS COMBINATIONWEIGHT RA TING OF TWENTY-SIX THOUSAND ONE POUNDS OR MORE UNLESSAN INDIVIDUAL WHO HOLDS THE APPROPRIATE COMMERCIAL DRIVER'SLICENSE WITH ANY REQUIRED ENDORSEMENT FOR THE COMMERCIALVEHICLE:(a) Is PHYS ICALL y PRESENT IN THE CAB OF THE COMMERCIAL MOTORVEHICLE AND PREPARED TO INTERVENE, IF NECESSARY, TO AVOID ILLEGALOR UNSAFE DRIVING OF THE COMMERCIAL MOTOR VEHICLE;(b) Is SEATED IN THE DRIVER'S SEAT OF THE COMMERCIAL MOTORVEHICLE IF HAZARDOUS MATERIALS ARE BEING TRANSPORTED;( c) MONITORS THE PERFORMANCE OF THE COMMERCIAL MOTORVEHICLE WHILE DRIVING ON THE ROADWAY; AND(d) INTERVENES, IF NECESSARY, TO AVOID ILLEGAL OR UNSAFEDRIVING OF THE COMMERCIAL MOTOR VEHICLE.(2) THIS SECTION DOES NOT AFFECT THE DUTY OF A PERSON TOCOMPLY WITH PART 3 OF ARTICLE 20 OF THIS TITLE 42.(3) A PERSON THAT VIOLATES THIS SECTION COMMITS A CLASS ATRAFFIC INFRACTION AND IS SUBJECT TO:(a) A PENALTY OF ONE THOUSAND DOLLARS AND A SURCHARGE OFONE HUNDRED FIFTY DOLLARS FOR A FIRST CONVICTION;PAGE 2-HOUSE BILL 26-1286(b) A PENALTY OF TWO THOUSAND DOLLARS AND A SURCHARGE OFONE HUNDRED FIFTY DOLLARS FOR A SECOND CONVICTION; OR(c) (I) A SURCHARGE OF ONE HUNDRED FIFTY DOLLARS; AND(II) A PENALTY THAT DOUBLES THE PENALTY DESCRIBED INSUBSECTION (3)(b) OF THIS SECTION FOR EACH SUBSEQUENT CONVICTIONAFTER THE SECOND CONVICTION.( 4) THIS SECTION DOES NOT APPLY TO A LIGHT-DUTY VEHICLE OR ATRUCK-MOUNTED ATTENUATOR.(5) AS USED IN THIS SECTION, UNLESS THE CONTEXT OTHERWISEREQUIRES:(a) "COMMERCIAL MOTOR VEHICLE" HAS THE SAME MEANING AS"COMMERCIAL VEHICLE" AS SET FORTH IN SECTION 42-4-235 (l)(a).(b) "TRUCK-MOUNTED ATTENUATOR" MEANSAHEAVY-DUTYTRUCKFITTED WITH AN ENERGY-ABSORBING CRASH DEVICE THAT ACTS AS A MOBILEBARRIER TO BE THE FIRST POINT OF CONTACT IN A REAR-END COLLISION ANDTHAT IS USED TO PROTECT PERSONNEL IN A HIGHWAY CONSTRUCTION ORMAINTENANCE ZONE.( 6) (a) THIS SECTION IS REPEALED, EFFECTIVE SEPTEMBER 1, 2031.(b) THE CHIEF OF THE COLORADO STATE PATROL SHALL ANALYZETHIS SECTION'S EFFECTS ON COMMERCIAL VEHICLE SAFETY ON HIGHWAYS.BYNOVEMBER 1,2030, THECHIEFOFTHECOLORADOSTATEPATROLSHALL,BASED ON THE REVIEW, ISSUE A REPORT TO THE HOUSE OF REPRESENTATIVESTRANSPORTATION, HOUSING, AND LOCAL GOVERNMENT COMMITTEE AND THESENATE TRANSPORTATION AND ENERGY COMMITTEE, OR THEIR SUCCESSORCOMMITTEES. THE REPORT MUST MAKE RECOMMENDATIONS AS WHETHER TOCONTINUE THIS SECTION, AND, IF THE RECOMMENDATION IS TO CONTINUETHIS SECTION, ANY RECOMMENDED LEGISLATION TO IMPROVE THIS SECTION.SECTION 3. Appropriation. ( 1) For the 2026-27 state fiscal year,$14,357 is appropriated to the department of revenue. This appropriation isfrom the Colorado DRIVES vehicle services account in the highway userstax fund created in section 42-1-211 (2), C.R.S. To implement this act, thePAGE 3-HOUSE BILL 26-1286department may use this appropriation as follows:(a) $10,400 for DRIVES maintenance and support;(b) $984 for use by the division of motor vehicles for personalservices related to driver services;(c) $1,353 for use by the executive director's office for personalservices related to administration and support; and(d) $1,620 for payments to OIT.SECTION 4. Applicability. This act applies to offenses committedon or after the effective date of this act.SECTION 5. Safety clause. The general assembly finds,determines, and declares that this act is necessary for the immediatePAGE 4-HOUSE BILL 26-1286preservation of the public peace, health, or safety or for appropriations forthe support and maintenance of the departments of the state and stateinstitutions.J ~ es Rashad Coleman, Sr.SPEAKER OF THE HOUSE PRESIDENT OFOF REPRESENTATIVES THE SENATEv~~Vanessa Reilly Esther van MourikCHIEF CLERK OF THE HOUSE SECRETARY OFOF REPRESENTATIVES THE SENATEJared S. Polis •.GOVERNOR OF THE STPAGE 5-HOUSE BILL 26-1286
Concerning a requirement that a commercial motor vehicle have a human present when the commercial motor vehicle is being driven by an automated driving system, and, in connection therewith, making an appropriation.
Sponsors
Rep. Sheila Lieder (D) sponsors HB 1286, and 51 members have co-sponsored it.

Rep. · D–28 · Sponsor

Rep. · R–56 · Co-sponsor

Sen. · D–16 · Co-sponsor

Sen. · R–10 · Co-sponsor

Rep. · D–7 · Co-sponsor

Rep. · R–48 · Co-sponsor

Rep. · D–12 · Co-sponsor

Rep. · D–6 · Co-sponsor

Rep. · D–36 · Co-sponsor

Rep. · D–37 · Co-sponsor
Committees
HB 1286 went before 4 committees: Transportation, Housing & Local Government, Appropriations, Committee of the Whole and Transportation & Energy.

History
HB 1286 has taken 15 actions since Feb 20, 2026, the latest on May 28, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
May 28, 2026 | — | Governor Vetoed | ||
May 21, 2026 | House | Signed by the Speaker of the House | ||
May 21, 2026 | Senate | Signed by the President of the Senate | ||
May 21, 2026 | — | Sent to the Governor | ||
May 12, 2026 | Senate | Senate Third Reading Passed - No Amendments |
Votes
HB 1286 went to 13 roll calls across both chambers, the latest on May 12, 2026 at 27–8.
| Chamber | Question | Yea | Nay | |||
|---|---|---|---|---|---|---|
May 12, 2026 | Senate | Senate: Third Reading Bill | 27 | 8 | ||
May 11, 2026 | Senate | Senate Appropriations: Adopt amendment L.017 | 3 | 4 | ||
May 11, 2026 | Senate | Senate Appropriations: Refer House Bill 26-1286 to the Committee of the Whole. | 6 | 1 | ||
May 11, 2026 | Senate | Senate Transportation & Energy: Refer House Bill 26-1286 to the Committee on Appropriations. | 5 | 3 | ||
May 9, 2026 | House | House: Third Reading Bill | 59 | 4 |
Source: leg.colorado.gov · legiscan.com