SB 2556: Motor Vehicles; Engine Brake; Prohibited; Traffic Code; Towing; Restrictions; Penalties
- Session Year: 2025-2026
- House: Senate
- Latest Version Date: 2026-01-22
Current Status:
Failed
(2026-02-05: The committee on TRS deferred the measure.)
Introduced
In Committee
First Chamber
In Committee
Second Chamber
Final Decking
Enacted
What does this bill do?
The bill bans drivers from using engine brakes—brakes that use engine compression and can make loud air or exhaust releases—in areas with posted speed limits of 35 mph or less and between 10 p.m. and 5 a.m. in a county with 500,000 or more residents. It also bars motor vehicles towing another vehicle or a trailer from using the far left lane on roads with three or more lanes in the same direction in that large county, with exceptions for turning, exiting, public transit, school buses, and emergency vehicles. The bill establishes fines for violations.
The summary is provided by generative AI which can make mistakes. For original language, please view the details in the table below.
Prohibits any person from operating a motor vehicle equipped with an engine brake in certain areas. Prohibits motor vehicles that tow a vehicle or trailer from driving in the far left lane on any roadway that has three or more lanes for traffic moving in the same direction in a county with a population of five hundred thousand or more, with certain exceptions. Establishes penalties.
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THE SENATE |
S.B. NO. |
2556 |
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THIRTY-THIRD LEGISLATURE, 2026 |
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STATE OF HAWAII |
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A BILL FOR AN ACT
relating to transportation.
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF HAWAII:
SECTION 1. Chapter 291, Hawaii Revised Statutes, is amended by adding a new section to part I to be appropriately designated and to read as follows:
"§291- Engine brakes; prohibited. (a) No person shall operate a motor vehicle equipped with an engine brake:
(1) In any area where the posted speed limit is thirty‑five miles per hour or less; and
(2) Between the hours of 10:00 p.m. and 5:00 a.m. in a county with a population of five hundred thousand or more.
(b) Any person who violates this section shall be fined $ .
(c) As used in this section:
"Engine brake" means a vehicle brake system that uses engine compression to slow the vehicle and produces an audible release of compressed air or exhaust gases.
"Motor vehicle" has the same meaning as in section 286-2."
SECTION 2. Section 291C-55, Hawaii Revised Statutes, is amended to read as follows:
"[[]§291C-55[]] Oversized commercial vehicles; towing; prohibition
from using left lane. (a)
Upon any roadway having three or more lanes for traffic moving in the
same direction, no commercial vehicle weighing ten thousand pounds or more or
motor vehicle towing a vehicle or trailer shall be driven in the far left
lane unless:
(1) The commercial vehicle or motor vehicle towing a vehicle or trailer is able to maintain speed with existing traffic flow; and
(2) The commercial vehicle or motor vehicle towing a vehicle or trailer is in the process of overtaking and passing another vehicle proceeding in the same direction under the rules governing such movement.
(b) This section shall not apply to [commercial]:
(1) Commercial vehicles or motor vehicles towing a vehicle or trailer
occupying the left lane for the purpose of turning left or exiting, or
preparing to turn left or exit[.]; or
(2) Motor vehicles used for public transit, school buses, and authorized emergency vehicles.
(c) Any person who violates this section shall:
(1) For a first violation, be fined no more than $ ;
(2) For a second violation, be fined no more than $ ; and
(3) For a third or subsequent violation committed within three years of any other violation of this section, be fined no more than $ , attend a traffic safety course, or both.
(d) This section shall apply only to a county with a population of five hundred thousand or more.
[(c)] (e) For the purposes of this section[,
"commercial]:
"Commercial vehicle" shall have the same meaning as in section 291-11.5. "Commercial vehicle" does not include buses or van pools operated by the counties.
"Trailer" shall have the same meaning as in section 286-2."
SECTION 3. This Act does not affect rights and duties that matured, penalties that were incurred, and proceedings that were begun before its effective date.
SECTION 4. Statutory material to be repealed is bracketed and stricken. New statutory material is underscored.
SECTION 5. This Act shall take effect upon its approval.
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INTRODUCED BY: |
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Report Title:
Motor Vehicles; Engine Brake; Prohibited; Traffic Code; Towing; Restrictions; Penalties
Description:
Prohibits any person from operating a motor vehicle equipped with an engine brake in certain areas. Prohibits motor vehicles that tow a vehicle or trailer from driving in the far left lane on any roadway that has three or more lanes for traffic moving in the same direction in a county with a population of five hundred thousand or more, with certain exceptions. Establishes penalties.
The summary description of legislation appearing on this page is for informational purposes only and is not legislation or evidence of legislative intent.
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Date
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Status
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| Feb 5, 2026 | The committee on TRS deferred the measure. |
| Feb 2, 2026 | The committee(s) on TRS has scheduled a public hearing on 02-05-26 3:01PM; Conference Room 229 & Videoconference. |
| Jan 28, 2026 | Referred to TRS, JDC. |
| Jan 23, 2026 | Passed First Reading. |
| Jan 23, 2026 | Introduced. |
This list shows positions taken on this bill by organizations on the date displayed, which is linked to the original source.
Positions by individuals are not included.
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Organization
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Position
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Date
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| Libertarian Party of Hawaii | *** Against | Feb 5, 2026 |
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Date
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Testimony PDF
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| Feb 5, 2026 | SB2556_TESTIMONY_TRS_02-05-26_.PDF |
Discussed in Hearing
Senate Standing Committee on Energy and Intergovernmental Affairs
Senate Standing Committee on Transportation
Senate Standing Committee on Energy and Intergovernmental Affairs
Senate Standing Committee on Transportation
Bill Author
Bill Co-Author(s):