Arkansas

Eight hours of labor constitute a day's work on public roads, highways and bridges.

California

Eight hours of labor constitutes a day's work, unless it is otherwise expressly stipulated by the parties to a contract. The time of service of all laborers, workmen, and mechanics employed upon any public works of, or work done for, the state, or for any political sub-division thereof, whether the work is to be done by contract or otherwise, is limited and restricted to eight hours in any one calendar day, and a stipulation that no workman, laborer, or mechanic in the employ of the contractor or sub-contractor shall be required or permitted to work more than eight hours in any one calendar day, except in cases of extraordinary emergency, shall be contained in every contract to which the state or any political sub-division thereof is a party.

Colorado

Eight hours constitutes a day's work for all workingmen employed by the state, or any county, township, school district, municipality, or incorporated town, and for workingmen in all underground mines or workings and in smelting and refining works.

Connecticut

Eight hours of labor constitute a lawful day's work unless otherwise agreed.

District Of Columbia

Eight hours constitute a day's work for all laborers or mechanics employed by or on behalf of the District of Columbia.

Idaho

Eight hours' actual work constitute a lawful day's work on all state, county and municipal works.

Illinois

Eight hours are a legal day's work in all mechanical employments, except on farms, and when otherwise agreed; does not apply to service by the day, week, or month, or prevent contracts for longer hours. Eight hours constitute a day's labor for persons assessed to work on public highways.

Indiana

Eight hours of labor constitute a legal day's work for all classes of mechanics, workingmen and laborers, excepting those engaged in agricultural and domestic labor. Overwork by agreement and for extra compensation is permitted. The employment of persons under fourteen years of age for more than eight hours per day is absolutely prohibited.

Iowa

Eight hours constitute a day's labor on public roads.

Kansas

Eight hours constitute a day's work for all laborers, mechanics or other persons employed by or on behalf of the state or any county, city, township, or other municipality.

Maryland

No mechanic or laborer employed by or on behalf of the city of Baltimore shal be required to work more than eight hours as a day's labor.

Massachusetts

Eight hours shall constitute a day's work for all laborers, workmen, and mechanics employed by or on behalf of any city or town in the commonwealth upon acceptance of the statute by a majority of voters present and voting upon the same at any general election.

Minnesota

Eight hours constitute a day's labor for all laborers, workmen and mechanics employed by or on behalf of the state, whether the work is done by contract or otherwise.

Missouri

Eight hours constitute a legal day's work. The law does not prevent an agreement to work for a longer or a shorter time and does not apply to laborers and farm hands in the service of farmers or others engaged in agriculture. It is unlawful for employers to work their employes longer than eight hours per day in mines.

Montana

Eight hours constitute a legal day's work for persons engaged to operate or handle any first-motion or direct-acting hoisting engine, or any geared or indirect-acting hoisting engine at any mine employing fifteen or more men underground when the duties of fireman are performed by the person so engaged; also for any stationary engineer operating a stationary engine developing fifty or more horse-power when such engineer has charge or control of a boiler or boilers in addition to his other duties. The law applies only to such steam plants as are in continuous operation or are operated sixteen or more hours in each twenty-four hours, and does not apply to persons running any engine more than eight hours in each twenty-four for the purpose of relieving another employe in case of sickness or other unforeseen cause. Eight hours constitute a day's labor upon roads and highways.

Nebraska -Eight hours constitute a day's work on public roads.

New Jersey

Eight hours constitute a day's labor on any day whereon any general or municipal election shall be held.

New Mexico

Eight hours are required as a day's labor on public roads and highways.

New York

Eight hours constitute a day's work for all classes of employes, except in farm or domestic labor. Overwork for extra pay is permitted, except upon work by or for the state or a municipal corporation, or by contractors or sub-contractors therewith. The law applies to those employed by the state or municipality, or by persons contracting for state work, and each contract to which the state or a municipal corporation is a party shall contain a stipulation that no workman, laborer, or mechanic in the employ of the contractor, sub-contractor, etc., shall be permitted or required to work more than eight hours in any one calendar day, except in cases of extraordinary emergency.

Ohio

Eight hours shall constitute a day's work in all engagements to labor in any mechanical, manufacturing, or mining business, unless otherwise expressly stipulated in the contract.

Oklahoma

Eight hours constitute a day's labor on public highways.

Oregon

Eight hours constitute a day's labor on public roads.

Pennsylvania

Eight hours of labor shall be deemed and held to be a legal day's work in all cases of labor and service by the day where there is no agreement or contract to the contrary. This does not apply to farm or agricultural labor or service by the year, month or week.

Eight hours out of the twenty-four shall make and constitute a day's labor for all mechanics, workmen, and laborers in the employ of the state, or of any municipal corporation therein, or otherwise engaged on public works; this shall be deemed to apply to mechanics, workingmen, or laborers in the employ of persons contracting with the state or any municipal corporation therein, for the performance of public work.

Porto Rico

No laborer may be compelled to work more than eight hours per day on public works.

Tennessee

Eight hours shall be a day's work upon the highways.

Texas

Eight hours constitute a day's work on public highways.

Utah

Eight hours constitute a day's work upon all public works and in all underground mines or workings, smelters and all other institutions for the reduction or refining of ores.

Washington

Eight hours in any calendar day shall constitute a day's work on any work done for the state, county or municipality. In cases of extraordinary emergency overtime may be worked for extra pay.

West Virginia

Eight hours shall constitute a day's work for all laborers, workmen and mechanics who may be employed by or on behalf of the state.

Wisconsin

In all engagements to labor in any manufacturing or mechanical business, where there is no express contract to the contrary, a day's work shall consist of eight hours; but the law does not apply to contracts for labor by the week, month or year. In all manufactories, workshops or other places used for mechanical or manufacturing purposes, children under eighteen years of age and women may not be compelled to work over eight hours a day. Eight hours constitute a day's labor on public highways.

Wyoming

Eight hours' actual work constitute a legal day's work in all mines, state and municipal works.

United States

Eight hours shall constitute a day's work for all laborers, workmen, and mechanics who may be employed by or on behalf of the United States.