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Reporting Public Road Mileage – 23 CFR 460 – 23 CFR 460 –Presentations – Office of Highway Policy Information (OHPI)



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Ron Erickson
Office of Highway Policy Information


What is CFR?

  • Code of Federal Regulations
  • Codifcation of general and permanent rules
  • Published in the Federal Register by executive departments and Federal agencies



WHAT IS the Purpose of 23 CFR 460?

  • Prescribes the Policies and Procedures to identify and report Public Road Mileage.
  • Public Road Mileage is a key component of a statutory formula for apportionment of highway safety funds.


23 CFR 460 Requirements

Highway Safety Programs require safety funds apportionment based on formula using Population and Public Road Mileage of each state.

  • Mileage must be certified by the state Governor or his designee and subject to the approval of the Federal Highway Administrator.
  • Public Road Mileage must be determined at end of each calendar year preceding the year funds are apportioned.

Each State must annually submit a Public Road Mileage Certification of Public Road Miles within the state to the state FHWA Division Administrator.

  • Due June 1 of each year.
  • Indian Reservation Public Road Mileage within state must be identified and included in state mileage.
  • The secretary of Interior or designee will submit a certification of Public Road Mileage within Indian Reservations to Federal Highway Administration by June 1 of each year
    • Indian Reservation Public Road Mileage within state must be identified and included in state mileage.

The Federal Highway Administrator reviews Public Road mileage certifications for Indian reservations as well as state mileage certifications.

  • Administrator makes final determination of Public Road mileage to be used as the basis for apportionment of funds under USC 402(c).


What are the Necessary Components for Acceptance of your Certified Public Miles?

  • Letter of Certification of Public Road Mileage
  • Letter of Designation if Certification letter is not signed by Governor
  • Approval of Submitted Certified Public Road Mileage from FHWA Division Office



This Is to certify, that as of December 31, 2010, in the State of Texas there were 504,142.272 kilometers (313,259.485 miles) of public roads as defined in 23 CFR (460).

9.173 kilometers (5. 7 miles) of Indian Reservation roads were included in this certification and are verified open to the public. Texas also contains 41.3 miles of non-public roads on Indian Reservations as per the 2009 inventory of Indian Reservation Roads.

1315.236 kilometers (817.25) miles of routes maintained by Federal Agencies and verified open to the public were included in this certification.

Changes from the 2009 certified mileage are described below.

Mileage Category 2009 2010 Difference
State Designated Highways 72,941.764 72,950.879 9,115
Mileage on state designated main lanes has a net increase of 9. 115 miles after redesignations, addition of new highways, and removals from the state highway system.
State Designated Highway Right Frontage Roads 3,426.888 3,479.8471 52,959
Mileage on state-designated right frontage roads increased due to additions of frontage road segments on IH 635, SH 121, SH 161, SL 49, US 72, US 183, and others.
State Designated Highway Left Frontage Roads 3,534.7821 3,561.12 26,338
Mileage on state-designated left frontage roads increased due to additions of frontage road segments on SH 121. SH 161, SL 49, SH 249, and others.
County Roads 146,969,708 147,066,934 97,226
Although approximately 213 miles of county roads were transferred to city streets (both local and functionally classified) due to annexations by cities, county road mileage experienced a net increase as a result of rapid development near major urbanized areas, especially Houston and Dallas-Fort Worth.
Functionally Classified City Streets 13,631.39 13,722.007 90.617
The mileage Increase is due to transfer from county road mileage as a result of expanding city limits as well as some removals from the state highway system.
City Streets Classified as Local 70,346,463 70,468,698 122.235
The increase In local city streets mileage is the result of new development and transfer from county road mileage as city limits expanded.
Total 310,850,995 311,249,485 398.49

Amadeo Saenz, Jr., P.E.
Executive Director


[State of Texas Seal]

Office of the Governor

January 2, 2008


Mr. Amadeo Saenz
Executive Director
Texas Department of Transportation
125 East 11th Street
Austin, TX 78701-2483

Dear Mr. Saenz:

Federal transportation laws grant me, as Governor of Texas, certain powers and responsibilities. Traditionally, Texas governors have delegated some of these powers and responsibilities to the Texas Transportation Commission, and others to the Executive Director of the Texas Department of Transportation (TxDOT).

By separate letter, I have delegated to the Transportation Commission several of the powers and responsibilities granted governors of states by Titles 23 and 49, United States Code.

Pursuant to the power vested in me as governor by the Constitution and laws of the State of Texas, I hereby designate you, as Executive Director of TxDOT, or your designees, to sign on cause to be signed on my behalf all necessary routine agreements, certifications, reports, or validation documents pertaining only to the programs of the Federal Aviation Administration, the Federal Highway Administration, the Federal Transit Administration, the National Highway Traffic Safety Administration, the Federal Railroad Administration, the Federal Motor Carrier Safety Administration, the National Transportation Safety Board, or the U.S. Army Corps of Engineers.

For our records, please provide my office with one copy of each document signed on my behalf immediately upon transmittal.


/s/ Rick Perry

Rick Perry


cc: Ms. Teresa Bruner, Regional Administrator, Federal Aviation Administration
Ms. Janice W. Brown, Regional Administrator, Federal Highway Administration
Mr. Robert C. Patrick, Regional Administrator, Federal Transit Administration
Mr. Georgia Chakiris, Regional Administrator, National Highway Traffic Safety Administration
Ms. Bonnie J. Murphy, Regional Administrator, Federal Railroad Administration
Mr. Darrell Rubun, Southern Field Administrator, Federal Motor Carrier Safety Administration
Mr. Bruce Magladry, Director, Office of Highway Safety, National Transportation Safety Board
Colonel David C. Weston, District Engineer and Commanding Officer, U.S. Army Corps of Engineers, Galveston District.


The above statements of public mileage are approved.

Janice Weingart Brown
Division Administrator
Federal Highway Administration


When Do you need to send FHWA a new letter of Designation?

  • Newly Elected Governor
  • Midterm Governor resignation or replacement.
  • Change in Designee depending on how signature authority is granted.


Areas to Improve Upon

  • Improve Frequency/Currency of Data Collection from other Federal Agencies.
  • Improve Data availability to you through enhancements to HPMS.
  • Improve our Communications and ability to share Documentation between Headquarters and our Division Offices.






If you have questions, contact…

Ron Erickson
Office of Highway Policy Information
(202) 366-5033

Page last modified on November 7, 2014.
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