This is a list of public agency representatives that have volunteered to serve as a ‘peer’ resource for other agencies to receive assistance or guidance on their roundabout designs, issues, and/or policies.

If you would like to be added to this list, please email your contact information to

City of Austin

Mario Porras

City of Houston

Ian Hlavacek

City of Keller

Alonzo Linan

City of Sugar Land

Jason Vaughn

Federal Highway Administration

Stephen Ratke (Austin)

Texas Department of Transportation

Wade Odell (Austin)

Abram VanElswyk (Waco)

City of College Station

Troy Rother


Public agencies can also request technical assistance through FHWA’s peer to peer program. Either call 866-727-FHWA, or use an online form application here: