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Manual on Uniform Traffic Control Devices (MUTCD) arrows logo
Technical Assistance

Who's Who

Office of Transportation Operations


image of Robert Arnold

Office Director: Robert Arnold

Program Areas for the Traffic Control Device Team

Contact Addresses are Provided at the Bottom of the Page



image of Hari Kalla

Hari Kalla, MUTCD Team Leader

Contact Hari Kalla for information on:

  • MUTCD Peer-to-Peer Program
  • MUTCD issues related to American with Disabilities Act (ADA)
  • MUTCD Official Rulings
  • Older Driver (MUTCD-related issues)
  • MUTCD Part 1 - General Information
  • MUTCD Part 7 - Traffic Control for School Areas
  • MUTCD Part 8 - Traffic Control for Highway-Rail Grade Crossings
  • MUTCD Part 9 - Traffic Control for Bicycles
  • MUTCD Part 10 - Light Rail Transit Grade Crossings
image of Fred Ranck

Contact Fred Ranck for information on:

  • MUTCD Part 2 - Traffic Signs
  • MUTCD Part 5 - Low Volume Roads
  • Standard Highway Colors
image of Scott Wainwright

Contact Scott Wainwright for information on:

  • MUTCD Part 3 - Markings
  • MUTCD Part 4 - Traffic Signals
  • Status of MUTCD Federal Register rulemaking activities
  • Urbanization of the MUTCD
  • Traffic Control Devices Pooled Fund Study
  • AASHTO Traffic Engineering Subcommittee support
image of Kevin Sylvester

Contact Kevin Sylvester for information on:

  • MUTCD Part 2 - Traffic Signs
  • Changeable Message Signs
  • Standard Highway Signs Book
  • MUTCD Outreach (articles, training, web site, and other public awareness activities)
  • Traffic Control at Toll Booth Plazas
image of Ken Wood

Contact Ken Wood for information on:

  • MUTCD Part 6 - Temporary Traffic Control

Contact Mailing Addresses

FHWA prefers that e-mail be used as the primary means of written communication to the MUTCD Team. However, in the event that e-mail is not possible, the following mailing address should be used for postal mail or delivery services:

The mailing address for Hari Kalla, Scott Wainwright, and Kevin Sylvester is:

Office of Transportation Operations (HOTO)
Federal Highway Administration, Mail Stop: E84-402
1200 New Jersey Avenue, S.E.
Washington, DC 20590

The mailing address for Fred Ranck is:

FHWA Resource Center
19900 Governors Drive, Suite 301
Olympia Fields, IL 60461-1021
708-283-3545

The mailing address for Ken Wood is:

FHWA Resource Center
19900 Governors Drive, Suite 301
Olympia Fields, IL 60461-1021
708-283-4340