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  1. Wikipedia
    https://en.wikipedia.org/wiki/DOT-111_tank_car

    DOT-111 tank car - Wikipedia

    • A DOT-111 tank car is a type of unpressurized general service tank car in North America. It transports various liquid dangerous goods, such as ethanol and crude oil, and has been involved in several derailments and explosions. See more

    Overview

    In rail transport, the U.S. DOT-111 tank car, also known as the TC-111 in Canada, is a type of unpressurized general … See more

    Usage

    Up to 80% of the Canadian fleet and 69% of U.S. rail tank cars were DOT-111 type, as of 2013.
    DOT-111 cars are equipped with AAR Type E top and bottom shelf Janney couplers designed t… See more

    Construction

    The DOT-111 tank cars are constructed with a draft sill design. Draft sills incorporate the draft gear behind each coupler that is designed to transfer longitudinal draft (tension) and buff (compression… See more

    Regulations

    A 2013 Senate of Canada committee report proposed mandatory minimum insurance for rail companies and recommended the creation of an online database with information on spills and other incidents from rail ca… See more

    Accident investigations

    A report on "The State of Rail Safety in Canada" was commissioned by Transport Canada in 2007. The report contains a 10-year statistical examination of its subject. Section 6 is entitled "Accidents involving dangerous … See more

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    Overview
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    Accident investigations
     
  1. Non-pressurized tank car
    DOT-111: A non-pressurized tank car with a thinner shell (7/16 of an inch) than is now required for the DOT-117 tank cars. These tank cars can carry both hazardous and non-hazardous liquids. These cars are not required to have head shields to protect the tank car from an adjacent car in an incident.

    Tank Car Specifications & Terms - Bureau of Transportation Stati…

    www.bts.gov/surveys/annual-tank-car-facility-survey/tank-car-specifications-terms
    www.bts.gov/surveys/annual-tank-car-facility-survey/tank-car-specifications-terms
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  2. People also ask
    Are class 111A tank cars toxic?
    The 1996 report concluded that "Class 111A tank cars are more susceptible to release product upon derailment and impact than pressure tank cars, and yet there are a number of toxic and volatile liquids that are still permitted to be carried in minimum standard Class 111A tank cars."

    DOT-111 tank car - Wikipedia

    en.wikipedia.org
    What is a Class 117 tank car?
    Among other significant amendments, the Fast Act established the Class-117 tank car as the minimum federal standard for use in flammable liquid service.

    Standards - Tank Car Resource Center

    tankcarresourcecenter.com
    Can a dot 111 tank car transport class 3 flammable liquids?
    DOT-111 tank cars and DOT-111 tank cars built to the AAR’s CPC-1232 industry standard are no longer authorized to transport Class 3 (flammable liquids) in high-hazard flammable train service, unless retrofitted to DOT-117R retrofit standards, or meet the DOT-117P performance standards prescribed by §179.202-12.

    AAR-2022-Field-Tank-Car-Guide (1) NEW FORMAT IPPOLITO VERSION …

    aar.org
    What is a class tank car?
    Class (Tank Car) — a general designation of tank cars, usually including several specifications; e.g., Class DOT/TC-117 or Class AAR-204. The word “Class” is used if the designation embraces several specifications. Closure — A category of service equipment with no operating components that closes an opening into a tank, valve or fitting.

    AAR-2022-Field-Tank-Car-Guide (1) NEW FORMAT IPPOLITO VERSION …

    aar.org
    What is a Class 114 pressure tank?
    Class-114 are insulated or uninsulated carbon or alloy (stainless) steel pressure tank cars with tank test pressures of 340 or 400 psig. These cars may be constructed of noncircular cross section, and, except for the PRD, the valves and fittings may be located somewhere other than the top of the tank.

    AAR-2022-Field-Tank-Car-Guide (1) NEW FORMAT IPPOLITO VERSION …

    aar.org
    What is a dot 114 tank car?
    DOT-112: A pressurized tank car that has additional safety features than what is required on DOT-111 class non-pressurized tank cars. DOT-114: A pressurized tank car that has additional safety features than what is required on DOT-111 class non-pressurized tank cars.

    Tank Car Specifications & Terms - Bureau of Transportation Statistics

    bts.gov
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  3. tankcarresourcecenter.com
    https://tankcarresourcecenter.com/tankcar101

    Tank Car 101 - Tank Car Resource Center

  4. tankcarresourcecenter.com
    https://tankcarresourcecenter.com/stan…

    Standards - Tank Car Resource Center

    Learn about the history and evolution of tank car standards for transporting flammable liquids by rail, including the DOT-111 and DOT-117 requirements. Find out how the industry developed and tested new technologies to improve tank …

  5. The Association of American Railroads (AAR)
    https://www.aar.org/wp-content/uploads/2022/08/AAR...
    [PDF]

    AAR-2022-Field-Tank-Car-Guide (1) NEW FORMAT IPPOLITO …

  6. Bureau of Transportation Statistics
    https://www.bts.gov/surveys/annual-tank-car...

    Tank Car Specifications & Terms - Bureau of Transportation Statistics

  7. eCFR
    https://www.ecfr.gov/current/title-49/subtitle-B/...

    49 CFR Part 179 Subpart D -- Specifications for Non-Pressure Tank …

  8. tankcarresourcecenter.com
    https://tankcarresourcecenter.com/prog…

    Progress - Tank Car Resource Center

    Altogether, these cars are replacing Class-111s for use in flammable liquid service. In addition to new car builds, RSI-CTC and its members are retrofitting Class-111 tank cars, including tank cars built to the enhanced Class-111 …

  9. Trains
    https://www.trains.com/.../tank-car-histo…

    Tank car history 101 - Trains

    May 24, 2024 · 2011: A tank car standard, called “enhanced Class-111”, is developed by the Association of American Railroads for use in transporting ethanol and petroleum crude oil. The new standard improved the car’s …

  10. The Greenbrier Companies
    https://www.gbrx.com/wp-content/uploads/2021/06/...
    [PDF]

    29,000 Gallon DOT 111 Tank Car - The Greenbrier Companies

  11. eCFR
    https://www.ecfr.gov/current/title-49/subtitle-B/...

    eCFR :: 49 CFR Part 179 -- Specifications for Tank Cars