U.S. Department of Transportation
Federal Highway Administration
400 Seventh St., S.W.
Washington, D.C. 20590

April 17, 2003

Refer to: HOTO-1

Mr. Greg Brinkmeyer
Engineer of Policy and Standards
Traffic Operations Division
Texas Department of Transportation
Dewitt C. Greer State Highway Building
125 East 11 th Street
Austin, TX 78701-2483

Request to Experiment 2-514(e) - Red/Yellow Retroreflectorized Border around R2-1 Speed Limit Sign

Dear Mr. Brinkmeyer:

Thank you for your March 10 letter requesting permission to experiment with a non-standard speed limit sign as part of the evaluations for TxDOT/TTI research project 0-4271, Applications for Advanced Sign Sheeting Materials. Your research project has been assigned an official Request to Experiment number of 2-514(e) - Red/Yellow Retroreflectorized Border around R2-1 Speed Limit Sign. Please refer to this number in future correspondence.

Your request has been reviewed and found to be consistent with the guidelines detailed in Section IA. 10 of the Manual on Uniform Traffic Control Devices. Your request to experiment with red/yellow retroreflectorized borders of ASTM Type VII, VIII, or IX sheeting is approved. We look forward to receiving notifications of implementation dates and to your semiannual progress reports and final report.

If you have questions or wish additional information, please feel free to call Mr. Fred Ranck, Safety Engineer, at 708-283-3545 at Federal Highway Administration's Resource Center at Olympia Fields, Illinois.

Sincerely yours,
Shelley J. Row, P.E.
Director, Office of Transportation Operations