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• Resident Engineers & Project Managers - RT
• All American Track is Now Hiring!

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Railroad Industry Topics Starting With - D

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D

D Branch D&I Railroad Co. D. Dale Leake D. Stephen Menzies D.C. D.C. rail D.C. rerouting D.C. Streetcar D.C. subways D.C. to Richmond high-speed rail D.C. transit D.C. Union Station D.C. Union Station redevelopment D.C.-area transit D.C.-Richmond higher-speed rail D.J. Baxter D.J. Stadtler D.J. Stadtler vice president of operations D2 D2 light-rail project D2 Project D2 Subway D2 Subway project D9-44CW locomotive Dachser DACHSER Mexico Dagmar Construction daily intermodal service Daily Points of Light Foundation DaimlerChrysler Dairyland Power Cooperative Daishowa Marubeni International Ltd. Dakota Dakota & Iowa Dakota & Iowa Railroad Dakota and Iowa Railroad Dakota Gasification Co. Dakota Gold Transfer Dakota Minnesota & Eastern Dakota Minnesota & Eastern Railroad Corporation Dakota Minnesota & Eastern Railway Dakota Minnesota and Eastern Railroad Dakota Missouri Valley & Western Dakota Plains Dakota Plains Holding Dakota Plains Holdings Dakota Plains Holdings Inc. Dakota Southern Railroad Dakota Southern Railway Dale Austin Jenkins Dale R. Lindsey Alaska Railroad Intermodal Terminal Dale Smith Dale Wade Dale Zehner Dales Miles Dalia Leven Dallas Dallas airports Dallas Area Rapid Transit Dallas Area Rapid Transit (DART) Dallas Central Business District Dallas commuter rail Dallas commuter-rail Dallas County Inland Port Transportation Management Association Dallas intermodal terminal Dallas light-rail Dallas rail Dallas Streetcar Dallas Streetcar expansion Dallas subway Dallas to Dock Dallas to Houston Dallas to Houston Constructors Dallas transit Dallas/Fort Worth Dallas/Fort Worth International Airport Dallas/Fort Worth International Airpot Dallas-Fort Worth Dallas-Fort Worth Airport Station Dallas-Fort Worth International Airport Dallas-Fort Worth Metroplex Dallas-Houston bullet train project Dallas-Houston high-speed rail Dallas''s DART Dallas-to-Fort Worth Core Express Dallas-to-Houston Dallas-to-Houston bullet train Dallas-to-Houston high-speed train Daly City Damage Prevention & Loading Services damaged rail cars Damen Avenue Damen Avenue Station Damen Green Line station Dames Point Marine Terminal Damien Kim Damien King Dan Bower Dan Bresolin Dan Curtis Dan Dawson Dan Elliott Dan Fitz-Patrick Dan Fleming Dan Gilchrist Dan Grabauskas Dan Hall Dan Halloran Dan Kettle Dan Kisner Dan Koch Dan Krom Dan Lipinski Dan Lloyd Dan Machalba Dan Mack Dan O''Neal Dan Perley Dan Richard Dan Richards Dan Rickel Dan Ryan Branch Dan Sabin Dan Saltzman Dan Sieve Dan Smith Dan Stessel Dan Tapster Dan Zink Dana B. Kenyon Co. Dana Point Dana Reed Dana Schulze D''Andrae Larry Dane Poljak Danella Danella Cos. Inc. Danella Rental Systems Danella Rental Systems Inc. dangerous goods dangerous goods regulations Dangerous Goods Team dangerous materials Daniel Borenstein Daniel Brown Daniel Burnham Daniel Carter Daniel Elliott Daniel Elliott III Daniel Grabauskas Daniel Holdcroft Daniel Knorek Daniel Lipinski Daniel Loftus Daniel Louis Daniel Neuburger Daniel Ondik Daniel Penovich Daniel Schulte Daniel Siedl Daniel Stout Daniel Valenzuela Daniel Verwiel Daniel Walsh Daniel Willis Daniel Zink Daniela Jaramillo Danielle Baker Danielle Ross Danish railway D''Anne Duclos Dannel Malloy Dannie McConkie Danny Brown Danny Davis Danny K. Davis Danny Levy Danny Lites Danny Rogers Danny Simpson Danville Daoust Lestage DAPCO Darby Darcy Brede Darcy Paul Daren Geschwindt Darien Darin Selby Dario Skocir dark territory Darrell Buchbinder Darrell Iler Sr. Darrell Johnson Darrell Krueger Darrell Maxey Darrell Thompson Darren Kettle Darren Reynolds Darrin Harn Darrin Lambrigger Darryl Berger Darryl Haley Darryl Irick Darshpreet S. Bhatti DART DART Blue Line DART Blue Line Extension DART Daily DART fares DART GoLink DART light rail DART Orange Line DART rail DART Say Something DART security DART streetcars Daruma Tech Darwin Realty Dassault Systemes data data analytics data breach data collection data in railroading data management data quality data reporting data reporting rule data science data scientist data security data storage data tool data warehouse database data-sharing Dauphine Midstream LLC Davanac Davanac Inc. Dave Arganbright Dave Baker Dave Beech Dave Bergstrom Dave Boggs Dave Cortese Dave Fellon Dave Fisher Dave Fleenor Dave Francis Dave Freeman Dave Geisler Dave Geno Dave Genova Dave Hardt Dave Howard Dave Hunter Dave Landreth Dave Manning Dave Parkinson Dave Pine Dave Pint Dave Roeder Dave Ronzani Dave Ross Dave Rutkowski Dave Somers Dave Starling Dave Upthegrove Davenport Davenport Diamond Greenway project Davenport industrial park David Andalcio David Arouca David Baggs David Baker David Bannister David Bernhardt David Birtwistle David Boggs David Bowling David Braun David Brown David Buccolo David Capozzi David Carlson David Carlucci David City David Coen David Collenette David Connell David Damico David Decker David Decker Jr. David Dinges David Donahoe David Durbano David Ebbrecht David Emm David Evans and Associates David Evans and Associates Inc. David Eyermann David Farman David Ferryman David Fisher David Fitzwater David Frank David Freeman David French David Friss David Garin David Garza David Genova David Giandinoto David Goode David Hahn David Handera David Hecht David Hickey David Hillenbrand David Hoff David Horner David Itzkoff David J. Joseph david j. joseph co. David Jones David Joynt David Keehan David Koch David Kutrosky David L. Starling Wylie Intermodal Terminal David Lambert David Leard David Leininger David Lutz David Mack David Manning David Mayer David McKenna David McLean David Mitrou David Mizwicki David Motley David Nagy David Nichols David Oestermeyer David Pearce David Pekoske David Perkins David Pizzimenti David Pope David Price David Raisbeck David Ross David Samson David Schoendorfer David Schulze David Scorey David Scott David Simon David Solow David Soule David Springstead David Stackrow David Stackrow Jr. David Stackrow Sr. David Staplin David Starling David Strickland David Trent David Vernon David Vitter David W. Fries Award David Wear David Weiss David White David Wier David Wright Davidson County Davis Productivity Team Award of Distinction Davis refinery Daysland Dayton Dayton T. Brown Dayton T. Brown Inc. Dayton-Phoenix Group DB DB Cargo DB Cargo AG DB Energie DB Engineering and Consulting USA DB Netz DB Schenker DB Schenker Rail DB-10 model DBE DBE firms DBE series DBEs DBFOM DBi Services DC generator DC rail DC Streetcar DC transit DC2RVA DC-DC converter DC-DC converters DCLI DCR2U DCR2U Critical Mission COTS Power Supply DCT Industrial Trust DCTA DCTA commuter rail DDGs DDOT DDOT DDW-242 DDW-242-485 De Kalb deadline deadline extension deadly accident deadly shooting Dean Heller Dean Kimball Dean Mazzarella Dean Piacente Dean Sawyer Dean Stecklair Dean Wise Deane Folsom Sr. Deane Mining LLC Deanna Leggett Dear Colleague Letter Dearborn Dearborn Station death deaths Deb Butler Deb DeLuca Deb Miller Debbie Gies Debbie Mayfield Deborah (Deb) Butler Deborah Boe Deborah Brown Deborah Butler Deborah Castillo Deborah Chase Hopkins Deborah Harris Butler Deborah Hersman Deborah Stone-Wulf Debra Ashworth Debra Johnson Debra Miller Debra Schrampfer debris transfer station debt debt ceiling debt negotiation debt offering debt refinancing Dec. 18 derailment Dec. 3 Dec. 31 Dec. 31 deadline Decal Management Corp. Decatur Decatur Central Railroad Decatur Central Railroad LLC Decatur Riverport terminal Decatur Transit Inc. Decatur-Morgan County Port Authority December 2017 fatal accident December 2018 December 2019 December 2020 December 2021 December traffic decentralize NYCT decision Decision Lens decisions decking work declining ridership decrease in ridership dedicated electric vehicle and battery-manufacturing plant dedicated rail line dedicated train program dedicated transit funding dedication ceremony Dee Brookshire Dee Leggett DeeDee Hanc deep dive deep learning Deer Park Deer Park Terminal Deerfield Farms Service Inc. defect detection Defiance & Western Railway Defiance and Western Railroad Defiance and Western Railway deficit deficit reduction DeFoe DEI DEI giving goals deicer de-icing de-icing systems Deirdre Hamilton Deirdre R. Jones Deirdre Rains DEIS DEIS/R DeKalb County DEKRA DEKRA Inc. DEKRA Insight Safety Icon Award Del City Del Mar Bluff stabilization Del Mar Bluffs Del Mar bluffs. Del Monte Del Richardson & Associates Inc. Delachaux Group DeLand extension Delaware Delaware & Hudson Delaware & Hudson Railway Delaware & Hudson Railway Co. Delaware & Hudson Railway Co. Inc. Delaware Basin Delaware County Delaware Department of Transportation Delaware General Assembly Delaware Gov. John Carney Delaware infrastructure Delaware Lackawanna Railroad Delaware Otsego Delaware Port Authority Delaware River Port Authority Delaware River Rail/Port Improvement Project Delaware Riverkeeper Network Delaware Third Track Construction Project Delaware Transit Corp. Delaware Valley Regional Planning Commission Delaware-Lackawanna Railroad Delaware-Lackawanna Railroad Co. Inc. delay delay reduction plan delaying the start of its Canadian travel season delays Delbert Strunk Delco Lead resilience project Delco Lead Storage and Inspection Facility Delek US Holdings Inc. deliveries Delkor Delkor Rail Dell Technologies Delmar Kittendorf Delmar Loop Trolley Delmarva Central Railroad Delmarva Central Railroad Co. Delmarva Central Railroad. Delaware Coast Line Railroad Delmarva Peninsula Deloitte Delray Connecting Railroad Co. Delta Delta Airlines Delta Pearl Delta Railroad Delta Railroad Construction Delta Railroad Construction Inc. Delta Regional Authority Deltaport Deltaport Intermodal Yard Reconfiguration Project Deltaport Terminal Road and Rail Improvement Project DeltaX Deltrin Harris Delware Transit Corp. demand for rail demand forecasting Demarcus Peters Demetrius Crichlow Democratic Party Democratic platform demographic shifts demolition demonstration demurrage demurrage and accessorial charges demurrage charges Denali Park denatured alcohol denatured ethanol Denise Berger Denise Gauthier Denise Gray Denise Perry Denise S. Wolf Denise Turner Roth Denise Wolf Denmark Dennies Pierce Dennis "Denny" Miller Dennis Anosike Dennis Boll Dennis Christiansen Dennis Clough Dennis Duffy Dennis Gilstad Dennis Kavanaugh Dennis Manns Dennis Martin Dennis Marzec Dennis Miller Dennis Newman Dennis Pierce Dennis Wierzbicki Denny Lengyel Denny Wirtz Denton Denton Avenue Bridge Denton County Denton County Transportation Authority Denton County Transportation Authority (DCTA) Denver Denver & Rio Grande Western Railroad Denver bypass study Denver commuter rail Denver Department of Housing Stability Denver International Airport Denver light rail Denver light-rail Denver Mayor Michael Hancock Denver Metro Chamber of Commerce Denver rail Denver Regional Council of Government Denver Regional Transportation District Denver RTD Denver RTD fares Denver transit denver transit partners Denver Union Station Denver university Denver’s Regional Transportation District Denver-Julesburg Basin Denver-RTD Denver''s Regional Transport District Denver''s Regional Transportation District Department of Commerce National Institute of Standards and Technology Department of Defense Department of Engineering and Professional Development Department of Environmental Conservation Department of Homeland Security Department of Justice Department of Labor Department of Labor Veteran Employment Services Department of Rail and Public Transportation Department of Subways Department of Transport and the Pipeline and Hazardous Materials Safety Administration Department of Transportation department of transportation Department of Transportation’s Federal Railroad Administration Department of Transportation''s Federal Transit Administration department regulations Departurevision DePaul University deployable network monitoring and analysis solution Deputy Administrator Amit Bose deputy CEO deputy chairs Deputy Chief Angela Averiett deputy chief executive officer Deputy Chief Executive Officer Celia Kupersmith Deputy Chief Executive Officer. deputy director Deputy Federal Transit Administrator Therese McMillan deputy general counsel Deputy General Manager of Administration and External Affairs deputy general manager of innovation and technology deputy secretary deputy transportation secretary Deputy Transportation Secretary John Porcari deputy U.S. transportation secretary DeQueen and Eastern DeQueen and Eastern Texas DERA derail derail investigation derailemtn DOT-111 tank cars derailment derailment clean-up derailment prevention Derailment Prevention Strategies derailment sensors derailment derailments derails Derby deregulation Derek Brown Derek Hathaway Derek Kan Derek Ollmann Derek Taylor Derich Sukow Derrick Smith Des Moines Des Moines Area Metropolitan Planning Organization Desert Line DesertXpress DesertXpress Enterprises DesertXpress Enterprises LLC design Design Consulting Engineers design contract design/build design-build contract design-build contractors design-build contracts design-build procurement Design-Build-Finance-Operate-Maintain DesignworksUSA Desiro HC regional trains Desjardins-Siciliano destination Destination Enterprises details detection Detra Whitmore Detroit Detroit City Council Detroit Express Detroit light rail Detroit millage Detroit New
Center Station Detroit People Mover Detroit River Rail Tunnel Detroit streetcar Detroit transit Detroit-Ann Arbor commuter rail Detroit-Holland passenger rail Detroit''s M-1 Rail deupty CEO Deutsche Bahn Deutsche Bahn AG Deutsche Plasser Bahnbaumaschinen GmbH Deutsche Post DHL Group Dev Davis Dev Rastogi Deval Patrick Developer resources DevelopErie Developing a Reliable and Innovative Vision for the Economy Act development Device Technologies Inc. Devin Plantamura Devin Rouse DevLoop Devon and Cornwall Railways Devon Anders Devon Barnhart Devora ‘Dev’ Davis Dewayne Swindall Dewberry DeWitt rail yard DeWitt terminal DFFs dFuzion dFuzion Inc. DFW Airport DFW Airport station DFW Grating DFW International Airport DHIP Group DHL Express DHS Di Highway Sign and Structure Corp. Dialogic diamond crossings Diamond Group Diamond Logistics Northwest Diamond Phoenix Diamondback Signal Diana Gomez Diana Sorfleet Diana Turubanova Diane DuBois Diane Duren Diane Gutierrez-Scaccetti Diane Hernandez Del Calvo Diane K. Duren Diane Mendes Diane Nakano Diane Woodend Jones Dianne Feinstein Diaz Dick Alexander Dick Davidson Dick Durbin Dick Kloster Dick March Dick Ruddell Dick Webb Dick White Dick Yake Di-Corp Didi Hirsch Suicide Prevention Center Didier Cuadrado Didier Pfleger diesel Diesel Electric Services Diesel Emission Reduction Act Diesel Emission Reduction Program diesel emissions Diesel Emissions Reduction Act Diesel Emissions Reduction Act (DERA) diesel engine diesel engine technology diesel fuel diesel fuel cost diesel locomotives diesel multiple unit diesel multiple units diesel price Diesel Reduction Fuel Act grant Diesel Supply Diesel Supply Co. Inc. diesel tax Diesel Technology Forum Diesel Technology Program Eagle Pass diesel truck technologies diesel-electric diesel-electric hybrid cranes diesel-electric locomotive diesel-electric locomotives diesel-electric multiple units DIFCO DiGas Digi International DigiCrew digital digital ad screens digital ads displays digital advertising digital advertising display Digital Concepts Digital Craft award digital culture Digital Factory digital fare payment digital fares digital kiosks digital passenger information display system digital radio digital subscription digital supply chain digital technologies digital ticketing digital tickets digital toolkit digital twins digital video recorders digital wallet digitalization digitized scheduled railroading Dillerville Yard diluent recovery unit Dilworth Plaza Dimetronic dining cars Dinky diphenhydramine Direct Access Direct ChassisLink Direct ChassisLink Inc Direct ChassisLink Inc. direct fixation fasteners direct intermodal service direct rail access directed service regulations direct-fixation fasteners director director of transportation director of capital programs and construction director of chemical and petroleum marketing director of corporate affairs director of diversity director of external affairs Director of Human Resources director of IT application management and delivery Director of regulatory affairs director of research and organizational development director of sales and marketing Director of Security Director of Security. director of sustainable mobility director of the Transport Workers Union Rail Division Director of Transit John Haley direct-rail intermodal service Diridon Station disability claims Disability Equality Index disability rights Disability:IN Disabled in Action disabled veteran business enterprises disabled veterans Disabled Veterans Business Enterprise disadvantaged business disadvantaged business enterprise Disadvantaged Business Enterprise Program disadvantaged business enterprises disaster disaster planning disaster planning resources disaster recovery system disaster relief Disaster Relief Appropriations Act of 2013 discretionary budget discretionary funding discretionary grants Dismantling Systemic Racism and Inequities Disney Springs dispatch technology dispatching dispatching system dispatching systems dispatching technology disposes of 300 locomotives dispute dispute resolution disrtibuted power disruptive innovation distance-based fare distance-based fares Distinguished Budget Presentation Award Distinguished Service Award Distress Centers of Greater Toronto distributed power Distributed Power LOCOTROL distribution Distribution and Logistics Expo distribution center distribution equipment distribution facilities distribution facility Distribution International Inc. distribution terminal District Department of Transportation District of Columbia District of Columbia Department of Transportation District of Columbia''s DC Streetcar District of Columbia''s Department of Transportation Ditch Your Car Program Diversified CPC International Diversified Metal Fabricators Diversified Port Holdings Diversified Port Holdings and Patriot Rail Diversified Port Holdings LLC diversion route diversity diversity and inclusion diversity business enterprise program Diversity Careers in Engineering and Information Technology diversity in rail diversity in transit diversity statement Diversity/Careers in Engineering & Information Technology DiversityInc divestiture Divia Mobilites dividend Dividend Channel Division 20 portal widening and turnback facility Division 20 subway yards Division of Transit and Rail Dixie Fire DJ Mitchell DJ Stadler DJ Stadtler DJI DLine DLRR Dluger DM&E DMI DMJM Harris DMR DMR Construction DMR protocol DMU DMUs DNJ Intermodal DNJ Intermodal Services D-O LRT Dobbs Ferry culvert Doboj-Rasputnica Miljacka railway Doc Claussen DOC Computer Aided Dispatching system DOC system Doc Takahashi Docklands Light Railway documentary Dodge City Dodgers Dodgers Stadium DOE Secretary Ernest Moniz Dogpatch and Northwest Potrero Hill Green Benefits District Doha Metro DOJ Dolbeau-Mistassini Dolese Bros. Co. Dolline Hatchett Dolly Durham Domenic Sarno domestic domestic chassis domestic coal domestic container domestic containers domestic intermodal domestic intermodal service Dominic DiBrito Dominick Servedio Dominion Railway Services Dominique Lemay Dominique Malenfant Domtar Don Aiken Don Alexander Don Bagley Don Billen Don Chapman Don Davage Don Del Rio Don Elder Don Evans Don Fairbairn Don Filippi Don Freestone Don Herbert Don Horner Don Itzkoff don knabe Don Krusel Don Loftis Don Maltby Don Orseno Don Phillips Don Redfearn Don Robinson Don Rose Don Schneider Don Sepulveda Don Walsh Don Yard Donald "DJ" Stadtler Jr. Donald Arant Donald Broughton Donald Graab Donald Graul Donald Hogan Donald Itzkoff Donald Maltby Donald Norcross Donald Orseno Donald Payne Jr. Donald Seale Donald Stebbins Donald Trump Donale Seale Donatelli Development donation donations Doniele Carlson Doniele Carlson Doniele Carson Donna Acors Donna Bowers Donna DeMartino Donna Edwards Donna Lemm Don''t X Out Public Transit Day Doon doors closing Doran Barnes Doraville Dorchester County Doron Grosman Dorothy Dugger Dorsey/Apache Boulevard Station Dorval Carter Dorval Carter Jr. DOT DOT 111 DOT 111s DOT-105J500W DOT-111 DOT-111 rail tank cars DOT-111 tank car DOT-111 tank cars DOT-111s DOT-113 tank cars DOT-113C120W tank cars DOT-117 DOT-117 rail tank cars DOT-117 tank cars DOT-117R DOT-117R tank cars DOTs Dottie Watkins Double Crown Resources Inc. Double Groove II double groove pneumatic outlet gate double stack double track Double Track Access from Pier G to J Project Double Track Access from Pier G to Pier J Double Track Northwest Indiana project double track project double tracking double tracking project double wheel chocks DoubleMap doublestack double-stack containers double-stack line double-stack well cars double-track double-track project double-track projects DoubleTree-Magnificent Mile Doug Allen Doug Carr Doug Chaffee Doug Combs Doug Delmonico Doug Ducey Doug Engebretson Doug Ford Doug Golden Doug Goss Doug Johnson Doug Kelsey Doug MacDonald Doug Morrison Doug Roth Doug Ryhorchuk Doug Sawyer Doug Tessitor Doug Tisdale Doug VanderJagt Doug Varn Doug Wells Douglas Campbell Douglas Clark Douglas Connett Douglas County Douglas Hoehn Douglas Holtz-Eakin Douglas Peterson Dover Dover Co. Dover Company Dover Corp. Dow Dow AgroSciences Dow Chemical Dow Chemical Co. Dow Chemical Corp. Dow Chemical Dow Chemical Dow Constantine Dow Inc. Dow Jones Dow Jones Sustainability Index Dow Jones Sustainability Index for North America Dow Jones Sustainability Index North America Dow Jones Sustainability Indexes Dow Jones Sustainability North America Index Dow Jones Sustainability World Index Dow Mexico Dow Quimica Mexicana Dow St. Charles Downeaster Downer Freight Rail Downsview Park Station Downsview Station downtown downtown Austin downtown Bakersfield downtown Berkeley Downtown Berkeley Station Downtown Carrollton Station downtown Chicago downtown Dallas Downtown Denton Transit Center Downtown East/Metrodome Station Downtown Express Metrorail downtown Fort Worth downtown Hillsboro Downtown Hopkins Station Downtown Hopkins Station Downtown Hopkins Station Downtown Kansas City Streetcar downtown LA Downtown Line Stage 2 downtown Minneapolis downtown Portland downtown Redmond Downtown Redmond extension Downtown Redmond Link Downtown Redmond Link Extension Downtown Redmond Link Extension project downtown San Diego downtown San Francisco downtown Seattle Downtown Seattle Transit Tunnel Downtown Station Downtown Tacoma Business Improvement Area DP World DP World Vancouver DPS Telecom DPSA Dr. Elizabeth Bonson Dr. Gary Burch Memorial Award Dr. Gary Burch Memorial Safety Award Dr. Laura Gillis Dr. Linda Simmons Dr. Robert C. Hampshire Dr. William W. Hay Award Dr. William W. Hay Award for Excellence Draffin draft Draft 2013 Transportation Improvement Program draft EIS Draft Environmental Impact Report Draft Environmental Impact Statement Draft Environmental Impact Statement/Environmental Impact Report Draft Environmental Impact Statement/Report draft environmental report draft infrastructure plan draft plan draft report Draft Route Modification Report draft scoping report Draft Supplemental Environmental Impact Statement Dragados Dragados Canada Inc. Dragados Flatiron Joint Venture Dragados USA Dragados/Flatiron JV Dragados/Flatiron/Shimmick Dragados-Flatiron Dragos Inc. Dragos Threat Operations Center drainage drainage project dramatic hand gestures and loud calls Drano Lake in Skamania County Drapeau Rail Draper TRAX Line Drax Biomass drayage trucks Drayton McLane Jr. DREAM Unlimited Corp. dredging dredging project Dreisbach Enterprises Drew Amos Drew Duquette Drew Galloway Drew Glassman Drew McCaskey Drewry Drewry World Container Index Drexel Hamilton Infrastructure Partners Drexel Hamilton Infrastructure Partners LP Drexel University DRI DRI Corporation dried distellers grain DrillEase DrillTech DRIVE DRIVE Act drive2zero Driver Safety System driver turnover rate driverless trains driverless transit systems DRIVE-Safe Act Drone Advisory Committee drone inspection drone inspection technology drones drones in rail drop in passenger revenues DRPA DRPT DRU Drug and Alcohol Random Testing Rates drug testing drug testing rate drug-testing Drupal DRW Planning Studio Dry Canyon Bridge DSC DSC Logistics DSR DSRI DTC DTE Energy Co. DTE Rail DTi DTP Dual Leaf DUAL LEAF Gen-Set locomotives Dual Mission Reward Program dual pressure relief valve dual rail spike puller Dual Track Arrestor Duane Broxterman dubarton express Duchossois Capital Management duck-face selfie Ducks Unlimited Canada Dude Its Rude due diligence Dufferin Construction Co. Dufferin Street Bridge Duininck Duke Energy Duke President Vincent Price duke university Dulles Dulles Airport Station Dulles APC Railbuilders Dulles Corridor Dulles Corridor Metrorail Dulles Corridor Metrorail project Dulles Corridor Metrorail Project. Dulles Corridor rail project Dulles International Airport Dulles International Airport rail project Dulles Metrorail Dulles Metrorail Connectors Dulles Silver Line Rail Dulles Transit Partners Duluth Duluth Cargo Duluth Cargo Connect Duluth ports Duluth Seaway Port Authority Dumb Ways to Die Dummy Line Dump the Pump Dump the Pump Day dumper car system DumpTrain for Curves Dunn Loring Station Duos Technologies Duos Technologies Group Duos Technologies Group Inc. Duos Technologies Inc. Duostech DuPage Railroad Safety Council DuPont DuPont Crop Protection Durable Wood Products Durango Durango & Silverton Durango & Silverton Narrow Gauge Railroad Durango & Silverton Narrow Gauge Railroad Co. Durango Blues Train Durfee Avenue grade separation Durfee Avenue grade separation project Durham Durham County Durham Mayor Bill Bell Durham transit Durham-Orange light rail Durham-Orange light rail project Durham-Orange Light Rail Transit Project Durham-Orange light-rail project Durham-Orange light-rail service Durham-Orange Light-Rail Transit Durham-Orange Light-Rail Transit Project Durham-Orange LRT Durox Dust Pro Dustin Berndt Dusty Johnson dutch ruppersberger Dutchtown Southern Railroad duty deferrals Duty Rest Rules for Railway Operating Employees DVB DVB Bank DVB Transport DVD Bank DVRPC DVRs dwell time Dwight Dwight Clark Dwight Ferrell Dwight Tays CN DXC Technology Dyco Electronics Dyer Dylan Elkins Dymax Dymax Inc. Dymax Rail DymaxRail Dynacraft Dynamic Air dynamic braking dynamic envelope testing Dynamic Pattern Generation dynamic testing Dynasty Group Inc. Dynergy Dyrekcja Eksploatacji Cystern