Title 9, Transportation Systems.

The bridge authorized to be erected over the Anacostia River, in the District of Columbia, in the line of Pennsylvania Avenue shall be, on and after March 7, 1939, known as the John Philip Sousa Bridge.

The jurisdiction and control of the Highway Bridge across the Potomac River, including appropriations and employees, shall be under the Mayor of the District of Columbia. The Highway Bridge shall be for highway traffic. The entire cost of paving, repairs, or replacements incident…

The bridge built in lieu of the Long Bridge shall be for railroad purposes only and for 2 or more railway tracks. The Baltimore and Potomac Railroad Company shall maintain, and keep in repair said bridge at its own cost and expense, and shall maintain an efficient draw in said br…

(a) All tugboats using the Potomac River at the place or places where the same is spanned by the 2 certain bridges in said act provided for, namely the Railway Bridge and the Highway Bridge, are required to equip and fit, not later than July 1, 1909, all smokestacks thereof or ot…

No street railway company shall use the viaduct or bridge or any approaches thereto authorized by the Act of July 3, 1930, to carry Monroe Street Northeast over the tracks of the Baltimore and Ohio Railroad Company, for its tracks until such company shall have paid to the Collect…

The jurisdiction or control of the Georgetown Bridge, to be known as the Francis Scott Key Bridge, across the Potomac River and approaches shall be under the Mayor of the District of Columbia. The said bridge shall be used as a highway for traffic, and for gas and water mains, po…

No street railway company shall use the bridge authorized by the Act of March 3, 1917 (39 Stat. 1018), for its tracks until such company shall have paid to the Treasurer of the United States a sum equal to one-sixth of the total cost of said bridge, to the credit of the General F…

Any street railway company using the new Connecticut Avenue Bridge over Klingle Valley shall install thereon at its own expense an approved standard underground system and an overhead trolley system of street car propulsion, including trolley poles of approved design, and at its …

One-fifth of the cost of constructing the said bridge (in line of Benning Road over the Anacostia River) and approaches shall be borne and paid by the Washington Railway and Electric Company, its successors and assigns, to the Collector of Taxes of the District of Columbia, to th…

The viaducts and approaches thereto, to carry Fern and Varnum Streets over the tracks and right-of-way of the Baltimore and Ohio Railroad Company or the viaduct and approaches thereto to carry Eastern Avenue over the tracks and rights-of-way of the Philadelphia, Baltimore and Was…

From and after the completion of the viaduct and approaches to carry Fern Street over the tracks and right-of-way of the Metropolitan branch of the Baltimore and Ohio Railroad Company, the highway grade crossing over the tracks and right-of-way of the said Baltimore and Ohio Rail…

No street railway company shall use the subway and approaches to carry Van Buren Street under the tracks and right-of-way of the Metropolitan branch of the Baltimore and Ohio Railroad Company for its tracks until said Company shall have paid to the Collector of Taxes of the Distr…

The highway grade crossing formerly over the tracks and right-of-way of the Metropolitan branch of the Baltimore and Ohio Railroad Company at Lamond shall be forever closed against further traffic of any kind.

No street railway company shall use the subway herein authorized (to carry Cedar Street under the tracks of the Baltimore and Ohio Railroad Company) for its tracks until such company shall have paid to the Treasurer of the United States a sum equal to one-fourth of the total cost…

The Mayor of the District of Columbia is authorized and directed to construct a viaduct and approaches to eliminate the crossing at grade of Michigan Avenue and the tracks and right-of-way of the Baltimore and Ohio Railroad Company, said viaduct to be constructed north of the pre…

No street railway company shall use the viaduct or any approaches thereto authorized by § 9-320 for its tracks until the said company shall have paid to the Collector of Taxes of the District of Columbia a sum equal to one-fourth of the cost of said viaduct and approaches, which …

From and after the completion of the said viaduct and approaches, the highway grade crossing over the tracks and the right-of-way of the said Baltimore and Ohio Railroad Company at Michigan Avenue in the District of Columbia shall be forever closed against further traffic of any …

One-half of the total cost of constructing a subway under the tracks and right-of-way of the Baltimore and Ohio Railroad Company in the vicinity of Chestnut Street or of the intersection of Fern Place and Piney Branch Road, extended, and thereafter the cost of maintaining the str…

Any street railway company using the bridge constructed to replace the Calvert Street Bridge over Rock Creek, as authorized by the Act of June 16, 1933 (48 Stat. 229, ch. 93) shall install thereon, at its own expense, an approved underground system of streetcar propulsion and, at…

The bridge crossing the Washington Channel of the Potomac River on Interstate Route 395, approximately 100 yards downstream from the outlet gate of the Tidal Basin, near the intersection of the extension of 13th and G Streets Southwest, shall be known and designated as the “Franc…

(a) The Secretary of the Interior is hereby authorized to provide for the construction, maintenance, and operation of a bridge, with visitor facilities, over the Washington Channel, from the vicinity of 10th Street Southwest to East Potomac Park in Washington, District of Columbi…

The cost of laying down said pavement, sewers, and other works, or of repairing the same, shall be paid for in the following proportions and manner, to wit: The United States shall pay one-half of the cost of all work done under the provisions of this section, except as hereinaft…

On and after July 1, 1941, when any Capital Transit Company street railway operation shall have been ordered abandoned by the Public Service Commission of the District of Columbia and the Council of the District of Columbia shall have ordered the removal of abandoned tracks, the …

It shall be the duty of the Mayor of the District of Columbia to see that all water and gas mains, service pipes, and sewer connections are laid upon any street or avenue proposed to be paved or otherwise improved before any such pavement or other permanent works are put down; an…

When new sidewalks, alleys, or curbing are required to be laid on streets being improved, no cost shall be assessed against abutting property.

The Mayor of the District of Columbia, in submitting the schedules of streets and avenues to be improved, shall each year arrange said streets and avenues in the order of their importance, as determined by him after personal examination of said streets and avenues.

(a) The Mayor of the District of Columbia is authorized and empowered, whenever in his judgment the public health, safety, or comfort require it, or whenever application shall be made therefor, accompanied by a deposit equal to one-half the estimated cost of the work, to improve …

Repayments from the Permit Fund to the appropriation for assessment and permit work shall be credited to the appropriation for the fiscal year in which the repayment is made.

The Mayor of the District of Columbia is hereby authorized whenever the roadway of a street is about to be paved or macadamized to make service connections in such street for all abutting lots and premises with the water mains and sewer provided for the service of said lots and p…

(a) Whenever under appropriations made by Congress, the roadway of any street, avenue, or road in the District of Columbia is improved by laying a new pavement thereon or completely resurfacing the same not less than 1 square in extent, from curb to curb, or from gutter to gutter…

(a) The half cost of the paving or repaving of a roadway between the side thereof and the center thereof with sheet asphalt, asphalt block, granite block, vitrified block, cement concrete, bituminous concrete, macadam, or other form of pavement shall be assessed against the prope…

No street or avenue in the District of Columbia shall be paved less in width than the width provided by law except by express authority of Congress upon estimates to be submitted to Congress by the Mayor of the District of Columbia.

The Mayor of the District of Columbia is authorized to change any roadway width by an amount not in excess of 1 foot whenever hereafter he considers the same necessary and advisable in connection with the resurfacing or other improvement of the street.

The use of bituminous macadam is authorized on streets, avenues, and roads to be improved or paved.

The portable asphalt plant purchased under the appropriation for repairs of streets, avenues, and alleys for the fiscal year 1913, may be operated under the immediate direction of the Mayor of the District of Columbia in doing such work of resurfacing and repairs to asphalt pavem…

When as many streets and entire blocks of streets in any section have been paved as the amount allotted to that section will permit, and there still remains a balance insufficient to pave an entire block of the street provided for pavement upon the schedule, such balance shall re…

The Mayor of the District of Columbia is prohibited from incurring or contracting liabilities on behalf of the United States in the improvement of streets, avenues, and reservations beyond the amount of appropriations previously made by Congress, and from entering into any contra…

Contracts for repairs to pavements may be made for periods not exceeding 5 years, and subject to annual appropriation therefor by Congress.

(a) Notwithstanding any other provision of law, owners of property abutting streets, avenues, roads, or alleys to be improved, or to have curbs, gutters, sewers, or sidewalks constructed thereon, shall not be required to make any deposit, nor shall the abutting property be assess…

When any curb or gutter is laid, or any curb and gutter are laid, on any street, avenue, or road in the District of Columbia which said curb shall be constructed of concrete, stone, or other permanent type of construction, or which said gutter shall be constructed of concrete, br…

The total assessment levied hereunder against any abutting property shall not exceed the number of square feet of area of said property multiplied by 1 per centum of the linear front-foot assessment and shall not exceed 10 per centum of the value of the said abutting property, ex…

When any property abuts 2 or more streets, avenues, or roads, the assessments against said property levied hereunder shall not exceed in the aggregate, together with any legal assessments heretofore levied and paid for paving, curbing, and guttering of or on said streets, avenues…

No assessments shall be levied under §§ 9-421.01 to 9-421.04, for any roadway improvement completed subsequent to May 25, 1943, but for curbs or gutters, or curbs and gutters, completed subsequent to May 25, 1943, assessments shall be levied against the abutting property in accor…

Whenever under the appropriations made by Congress, the roadway of any street, avenue, or road in the District of Columbia is paved or repaved with sheet asphalt, asphalt block, asphaltic or bituminous concrete (except penetration macadam), cement concrete, granite block, vitrifi…

For the purposes of computing the assessments under this subchapter, the term “roadway” shall be construed to include the gutters and curbings; provided, however, that where any permanent and new construction of curb, or curb and gutter, is laid, and the roadway of the street is …

There shall be excepted from such assessments the cost of paving the roadway in excess of 40 feet in width where the new pavement or repaving is laid on both sides of the centerline of such roadway; the cost of paving the roadway in excess of 20 feet in width where the new paveme…