| Moller | Jeffrey | AAR |
| Gill | Shayne | AASHTO |
| Hoffer | Robert | AECOM |
| Amsler | Joshua | AECOM |
| Marks | Jayne | AECOM |
| Rapone | Christopher | AECOM |
| Reichmann | David | AECOM |
| Anderson | Kurt | Alfred Benesch & Company |
| Al-Attar | Layth | Alfred Benesch & Company |
| Dormann | Bill | Alstom Group |
| Harper | Paul | Alstom Group |
| Ulrich | Matt | Arthur N. Ulrich Companu |
| Ulrich | Thomas | Arthur N. Ulrich Companu |
| Sanchez-Badillo | Alejandro | Battelle |
| Campbell | Rick | Benesch |
| Oster | Timothy | Benesch |
| Mendoza | Jorge | Benesch |
| Jackson | Nicole | Benesch |
| Cottrell | Debbie | Benesch |
| Elliott | Nick | Benesch |
| Stoltz | Frederick | BNSF Railway |
| Rzewnicki | Jacob | BNSF Railway |
| Beard | Mitch | BNSF Railway |
| Scott | Richard | BNSF Railway |
| Townlian | Cheryl | BNSF Railway Company |
| Garabetian | Antranig (Anton) | California Public Utilities Commission |
| Cervantes | Matthew | California Public Utilities Commission |
| Bond | Matthew | California Public Utilities Commission |
| Roberts | Bruce | Caltrans / California Department of Transportation |
| Bedard | Richard | City of Vernon |
| Goglia | Erin | Colliers Engineering & Design |
| Cooper | Michael | Colliers Engineering & Design |
| Rohauer | Robert | CSX Transportation |
| Bishop | Jason | CSX Transportation |
| Bellamy | Tony | CSX Transportation |
| Roseborough | Will | CSX Transportation |
| Anderson | Deborah | CSX Transportation |
| Sliper | Michael | CSX Transportation |
| Liebelt | Michael | CSX Transportation |
| Lamb | Eve | Diamondback Signal, LLC |
| Lamb | Kevin | Diamondback Signal, LLC |
| Buettner | Kemp | Diamondback Signal, LLC |
| Hensel | Rob | Diamondback Signal, LLC |
| Brunner | John | Diamondback Signal, LLC |
| Brockwell | Josh | Diamondback Signal, LLC |
| Thomas | Duane | Federal Highway Administration |
| bruntz | Chris | Federal Highway Administration |
| Houpt | Bill | Federal Highway Administration |
| Walker | Cheryl | Federal Highway Administration |
| Dahlem | James | Federal Railroad Administration |
| Alibrahim | Sam | Federal Railroad Administration |
| Longley | Michael | Federal Railroad Administration |
| Arbuckle | Ryan | Federal Railroad Administration |
| Chappell | Debra | Federal Railroad Administration |
| Mitchell | Jennifer | Federal Railroad Administration |
| Withers | Jared | Federal Railroad Administration |
| Neal | Gabe | Federal Railroad Administration |
| Frangello | Lou | Federal Railroad Administration |
| Whaley | Rodney | Federal Railroad Administration |
| Jolley | Douglas | Federal Railroad Administration |
| Newton | Rory | Federal Railroad Administration |
| Stapleton | Robert | Federal Railroad Administration |
| Hudd | Elizabeth | Federal Railroad Administration |
| Manley | Daniel | Federal Railroad Administration |
| Dougherty | Curtis | Federal Railroad Administration |
| Greiner | August | Federal Railroad Administration |
| Longo | Gary | Federal Railroad Administration |
| Jones | Ryan C. | Federal Railroad Administration |
| Toland | Andrew | Federal Railroad Administration |
| Griffiths | Norma | Federal Railroad Administration |
| Gillespie | Howard | Federal Railroad Administration |
| Bedini Jacobini | Francesco | Federal Railroad Administration |
| Scott | Rocky | Federal Railroad Administration |
| McClure | Karen | Federal Railroad Administration |
| Frey | Frank | Federal Railway Administration |
| Phillips | Kelli | Florida Department of Transportation |
| Owens | Brian | Florida Department of Transportation |
| Eady | Jordan | Florida Department of Transportation |
| Falcon | Laura | Frauscher Sensor Technology |
| Brady | Jack | Frauscher Sensor Technology |
| Rich | William | Frauscher Sensor Technology |
| Rogers | Noble | Georgia Department of Transportation |
| Franks | Jill | Georgia Department of Transportation |
| Mobley | Jason | Georgia Department of Transportation |
| Hunter | Mark | Hatch |
| Walker | Scott | Herzog Technologies, Inc |
| Fredericks | Jennifer | Herzog Technologies, Inc |
| Dargy | Glen | Herzog Technologies, Inc |
| Pearsall | William | Illinois Department of Transportation |
| Keefe | Venetta | Indiana Department of Transportation |
| Klop | Kristopher | Iowa Department of Transportation |
| Tinken | Travis | Iowa Department of Transportation |
| Lusk | Mike | Island Radar Company |
| Hilleary | Tom | Island Radar Company |
| Kushe | Erdi | Keolis Commuter Services |
| Flores | David | Keolis Commuter Services |
| Merrill | Steve | Keolis Commuter Services |
| Arnold | Scott | Kimley-Horn and Associates, Inc. |
| Wadkar | Nihal | Massachusetts Department of Transportation |
| McGrath | Kev | Massachusetts Department of Transportation |
| Weston | John | Massachusetts Department of Transportation |
| Borden | Chris | McRail A CBIZ Borden Perlman co |
| Bush | Joanna | Mead & Hunt, Inc. |
| Diodato | Christopher | Metropolitan Transportation Authority |
| Kirby | Matt | Michael Baker International |
| Peploski | Ryan | Michael Baker International |
| Kirby | Matt | Michael Baker International |
| Foondle | Kris | Michigan Department of Transportation |
| Goff | Jamie | Michigan Department of Transportation |
| Louth | Alexis | Michigan Department of Transportation |
| Turner | Jonathan | Moffatt & Nichol |
| Field | Jason | Moffatt & Nichol |
| Kozlowski | Kristopher | New Hampshire Department of Transportation |
| SPIRITOSANTO | GREGORY | New Jersey Department of Transportation |
| Khetani | Malay | New Jersey Department of Transportation |
| Foran | Barbara | New Jersey Department of Transportation |
| Schneider | Paul | New Jersey Department of Transportation |
| Williams | Diana | North Shore Railroad |
| Fury | George | North Shore Railroad |
| Reedy | Nikki | North Shore Railroad |
| Boyer | James | North Shore Railroad |
| Watson | Jake | NS Corporation |
| Starling | Douglas | NS Corporation |
| Taylor | Brian | NS Corporation |
| Boehme | Kyle | NS Corporation |
| Wimberly | Cayela | NS Corporation |
| miller | will | NS Corporation |
| jackson | leon | NS Corporation |
| Scott | Gary | O. R. Colan Associates, LLC |
| Bell | Allen | Ohio Rail Development Commission |
| Hamilton | Heather | Ohio Rail Development Commission |
| Hankinson | Karen | Olsson |
| Phillips | Steven | Olsson |
| Hankinson | Karen | Olsson |
| Ayers | John | Onyx Rail Safety Solutions |
| Kerchner | Brock | Operation Lifesaver of Pennsylvania |
| Maleh | Rachel | Operation Lifesaver, Inc |
| Metts | Derek | Patriot Rail |
| Dillen | Steve | Penn State Altoona |
| Arghoshi | Mohammed | Pennsylvania Department of Transportation |
| Betts | Steven | Pennsylvania Department of Transportation |
| Dodson | Ryan | Pennsylvania Department of Transportation |
| Leonard | Daniel | Pennsylvania Department of Transportation |
| Mutunga | Phil | Pennsylvania Department of Transportation |
| Smith | Tami | Pennsylvania Department of Transportation |
| Bender | Rodney | Pennsylvania Public Utilities Commission |
| Scheib | Mike | Pennsylvania Public Utilities Commission |
| DiCarlantonio | George | Pennsylvania Public Utilities Commission |
| Moody | Dennis | Pennsylvania Public Utilities Commission |
| Kalman | Dave | Pennsylvania Public Utilities Commission |
| Piccioni | Mike | Pennsylvania Public Utilities Commission |
| Pratt | Russell | Pintsch North America Inc. |
| Wades | James | Pintsch North America Inc. |
| Lisowski | Andrea | R. J. Corman Railroad |
| Clark | Tom | R. J. Corman Railroad |
| Hamlin | Matthew | R. J. Corman Railroad |
| Metz | Rocky | R. J. Corman Railroad |
| Clark | Chris | R. J Corman Railroad |
| Smith | Taylor | RailPros, Inc. |
| Keating | Michael | RailPros, Inc. |
| Paljug | John | Railway Equipment Company |
| Jordan | Richard | RailWorks Track Services |
| Drudy | Michael | RSSI |
| Frenette | Dot | RSSI |
| Reddick | Erin | RWY |
| Jaworski | Christina | S&C Distribution Company |
| Mazzuca | Dan | S&C Distribution Company |
| Jaworski | Christina | S&C Distribution Company |
| Galvan | Joshua | Sand Co. |
| Postupack | Kyle | SEDA-COG Joint Rail Authority |
| Beattie | Steve | SEDA-COG Joint Rail Authority |
| Hildebrand | Ryan | Signal Tech |
| Millet | Allison | Signal-Tech |
| Wessinger | Eric | South Carolina Department of Transportation |
| Parnell | Kennendy | South Carolina Department of Transportation |
| Luke | Shawn | State of Louisiana |
| Shrewsberry | Bill | State of Louisiana |
| Zaffke | Natalie | TAPCO |
| Zaffke | Natalie | TAPCO |
| Cranfill | Richard | Tavla Solutions |
| Liverman | Dylan | Tavla Solutions |
| Warner | Jeff | Texas A&M Transportation Institute |
| Rutter | Allan | Texas A&M Transportation Institute |
| Hurtado | Juan | The GBS Group |
| Jordie | Jim | The Railroad Group, LLC |
| Garcia | Luis | TKDA |
| Shurson | John | TKDA |
| Madsen | Eric | Union Pacific Railroad |
| DuBay | Melinda | Union Pacific Railroad |
| Cotton | Tiecy | Union Pacific Railroad |
| Culver | Mark | US Department of Transportation |
| Ley | Brian | WAGO Corporation |