Formed in 1991, NLTAPA represents the LTAP and TTAP member centers across the country and Puerto Rico. LTAP recently celebrated 40 years – and counting! Watch the LTAP 40 highlight video.
We invite you to explore our website for resources and events provided by the Association’s Executive Committee, national partners, and member centers.
The 2026 National LTAP TTAP Conference will be held in Louisville, KY from July 19-July 23, 2026.
1301 Shelby Center
Auburn University Transportation Research Institute
Auburn University, AL 36849
Laurence R. Rilett
(334) 844-8306
rilett@auburn.edu
Hollis Marshall
(334) 844-5782
hcm0055@auburn.edu
820 E. 15th Ave
Anchorage, AK 99501
907-269-7383 call or text
Joshua Hyde
907-370-2069 (Call or Text)
joshua.hyde@alaska.gov
1130 N 22nd Avenue
Phoenix, AZ 85009
Rebecca Mayher
(602) 712-4252
rmayher@azdot.gov
10324 Interstate 30
Little Rock, AR 72209
Patrick E. Thomas
(501) 569-2380
Patrick.Thomas@ardot.gov
California State University, Long Beach
College of Professional & Intl Education
Center for Intl Trade & Transportation
6300 State University Dr, Ste 255
Long Beach CA 90815
Tom O’Brien
Scott Jakovich
info@caltap.org
Colorado LTAP
Front Range Community College
4616 S. Shields St., Fort Collins, CO 80526
Heather Carlson
(970) 204 - 8294
CLTAP@FrontRange.edu
University of Connecticut
270 Middle Turnpike
U-5202
Storrs, CT 06269-5202
Mary McCarthy
(860) 486-1384
mary.c.mccarthy@uconn.edu
Delaware Center for Transportation at the University of Delaware
355 DuPont Hall
Newark, DE 19716
Earl “Rusty” Lee
(302) 831-6241
elee@udel.edu
4202 E. Flower Avenue
CUT 100
Tampa, FL 33620-5375
Pei-Sung Lin
(813)-974-4910
lin@cutr.usf.edu
3993 Aviation Circle
Atlanta, GA 30336
Ebony Bass
404-507-3437
ebass@dot.ga.gov
Program managed by:
University of Hawaii
Program oversight by:
Hawaii Department of Transportation
869 Punchbowl Street
#514
Honolulu, Hawaii 96813
Mel Chung, Hawaii DOT
Munfga.chung@hawaii.gov
Prof. Guohui Zhang, University of Hawaii
guohui@hawaii.edu
3330 Grace Street
Boise, Idaho 83703
Chainey Rhoades, T2 Director
208-530-7448
crhoades@lhtac.org
Nancy Ziebarth, T2 Training Coordinator
208-530-7449
nziebarth@lhtac.org
Illinois Department of Transportation
2300 South Dirksen Parkway, Room 208
Springfield, IL 62764
Barry Kent
(217) 785-2350
barry.kent@illinois.gov
1281 Win Hentschel Blvd, Suite 2111
West Lafayette, IN 47906
Richard Domonkos
Program Manger
765-494-4255
rdomonko@purdue.edu
Institute for Transportation
2711 S. Loop Drive
Suite 4700
Ames, IA 50010
Keith Knapp
(515) 294-8817
kknapp@iastate.edu
1536 W 15th Street
M2SEC Room G520
Lawrence, KS 66045
Rebecca Bilderback
rebeccabilderback@ku.edu
(785)864-8982
College of Engineering
176 Raymond Building
Lexington, KY 40506-0281
Martha Horseman
(859) 257-4531
martha.horseman@uky.edu
4099 Gourrier Avenue
Baton Rouge, LA
70808-4443
Rudynah Capone,
Rudynah.capone@la.gov.
Maine DOT Sta. 16
Augusta, ME 04333-0016
Peter Coughlan
(207) 624-3270
local.web@maine.gov
Technology Ventures Building
5000 College Avenue
Suite 2217
College Park, MD 20742
Janette Prince
(301) 405-6535
mdt2@umd.edu
UMass Transportation Center
214 Marston Hall
130 Natural Resources Way
Amherst, MA 01003-5205
Michael A. Knodler Jr., Ph.D.
mknodler@ecs.umass.edu
413-545-0228
309 Grover C. Dillman Hall
1400 Townsend Drive
Houghton, MI 49931-1295
Tim Colling
(906) 487-2102
ltap@mtu.edu
Center for Transportation Studies
200 Transportation and Safety Building
511 Washington Avenue SE
Minneapolis, MN 55455
Andrew Wrucke, PE
wruc0008@umn.edu
(612)624-3646
401 North West Street
85-01
(PO Box 1850)
Jackson, MS 39215
Shirley Johnson
(601) 359-7698
ssjohnson@mdot.ms.gov
720 Tim Bradley Way
Suite 121
Rolla, MO 65409
Heath Pickerill
(573) 341-7637
pickerillh@mst.edu
2327 University Way
Room 230
P.O. Box 173910
Bozeman, MT 59717-3910
Matthew Ulberg
(800) 541-6671
matthew.ulberg@montana.edu
650 J Street, Suite 215A
Lincoln, NE 68508.
Megan Patent-Nygren
mpatentnygren2@unl.edu
(402) 472-2190
Airport Plaza Office Building
1755 E. Plumb Lane, Suite 264
Reno, Nevada 89502
(775) 345-1999
Carrie Brown
cbrown@appliedpavement.com
UNH Technology Transfer Center
35 Colovos Rd.
Gregg Hall #111
Durham, NH 03824-3591
Marilee Enus
marilee.enus@unh.edu
(603)862-1362
Center for Advanced Infrastructure and Transportation
Rutgers University
100 Brett Road, Suite 209
Piscataway, NJ 08854
Janet Leli
(848) 445-2906
jleli@rci.rutgers.edu
NMLTAP-Civil Engineering
1 University of New Mexico
MSC01-1070
Albuquerque, NM 87131
Callie Thomason French
cfrenc@unm.edu, ltap@unm.edu
416 Riley-Robb Hall
Ithaca, NY 14853-5701
David Orr
(607) 255-8465
dpo3@cornell.edu
909 Capability Drive
Centennial Campus
Research Building IV
Mailing: Campus Box 8601
Raleigh, NC 27695
Kate Davison
919-515-3983
kbdaviso@ncsu.edu
Upper Great Plains
Transportation Institute
North Dakota State University
608 E Blvd. Ave.
Bismarck, ND 58505
Bryon Fuchs
701-371-3483
Bryon.fuchs@ndsu.edu
1980 W. Broad Street
2nd Floor
Columbus, OH 43223
Victoria Beale
(614) 466-3129
victoria.beale@dot.state.oh.us
Oklahoma State University
5202 N Richmond Hills Drive
Stillwater, OK 74078-0001
405-744-9907
Jessica Stewart
jessica.stewart@okstate.edu
405.744.9034
ODOT Mill Creek Building
555 13th Street NE, Suite 1
Salem, OR 97301
Rebekah Jacobson
Rebekah.A.JACOBSON@odot.state.or.us
PA Department of Transportation | Bureau of Planning and Research
400 North Street, 6th Floor | Harrisburg PA 17120
Phone: 717.425.5672
Mike Dudrich
midudrich@pa.gov
Civil Engineering and Surveying Department
University of Puerto Rico at Mayaguez
Call Box 9000
Mayaguez, PR 00681-9000
Alberto M Figueroa Medina
alberto.figueroa3@upr.edu
Didier Valdes
didier.valdes@upr.edu
(787) 834-6385
Rhode Island Department of Transportation
Two Capitol Hill
Providence, Rhode Island 02903
Kathleen Sisson
401-563-4144
Kathleen.L.Sisson@dot.ri.gov
202 Hugo Dr.
Clemson, SC 29634
Shaun Gaines
(864) 656-1456
jgaines@clemson.edu
11104 9th Street
South Dakota State University
Brookings, SD 57007-0199
Greg Vavra
(605) 688-4185
sdltap@sdstate.edu
309 Conference Center Building
600 Henley Street
Knoxville, TN 37996-4133
Matt Cate
(865) 974-4614
ttap@utk.edu
The University of Texas Arlington
140 W. Mitchell Street
Arlington, TX 76019
Dawn Hinton
817-272-2581
dawnhinton@uta.edu
Utah State University
4111 Old Main Hill
Logan, UT 84322-4111
Randy Whalen
randy.wahlen@usu.edu
435-797-2931
Dill Building
2178 Airport Road
Barre, VT 05641
Holly Hayden
(802) 828-3537
holly.hayden@vermont.gov
Todd Eaton
(802) 353-0110
todd.eaton@vermont.gov
351 McCormick Road
Thornton Hall B122A
P.O. Box 400742
Charlottesville, VA 22904
Lindsay Ivey-Burden
Program Director
434-982-2897
li6n@virginia.edu
P.O. Box 47390
Olympia, WA 98504-7390
Matthew Enders
(360) 705-6907
matthew.enders@wsdot.wa.gov
P.O. Box 6103
Morgantown, WV 26506-6103
Kim Carr
(304) 293-9924
kim.carr@mail.wvu.edu
University of Wisconsin – Madison
432 N Lake Street
Madison, WI 53706
Andrea (Andi) Bill
608-890-3425
bill@wisc.edu
University of Wyoming
1000 E University Ave
Dept 3295
Laramie, WY 82071
Dr. Khaled Ksaibati
(307) 766-6743
khaled@uwyo.edu