Travel Mapping Credit and Sources

Travel Mapping

Tracking Cumulative Travels

TM Highways Home Highway Travelers' Stats Highway Browser Get Started! Project Forum Updates

Contents

Highway Data Sources

General Map References
Highway Departments and Hobbyist Sites

Software Tools
Project Contributors
Predecessor Project

Highway Data Sources

We would like to credit and thank the authors of the following sources of highway information.

General Map References

Path Coordinates
- OpenStreetMap. Crowd-sourced world highway map. Map data © OpenStreetMap contributors, CC-BY-SA.
- Coordinates from handheld GPS receiver, contributed by Oscar Voss (used to supplement OSM mapping where it is weak, mainly in parts of Alaska, and northern and western Canada)
General Highway Maps and Imagery
- Bing Maps. Online tile map from Microsoft Bing that covers the world.
- Google Maps. Online tile map and street photography from Google that covers the world.
- Nokia/Ovi Map. Online tile map from NAVTEQ that covers the world.
- Mapquest. Online tile map from MapQuest that covers the world.
- Yahoo Maps. Online tile map from Yahoo that covers the world.
- Yandex Maps. Tile maps of eastern Europe, with street view of major cities.
- Esri Maps. Online tile map from Esri that covers the world.
- HERE maps. Online tile map from HERE, which provides world wide mapping data.
Gazetteers
- Census 2000 U.S. Gazetteer Files. City coordinate and population data from the United States Census Bureau.
- World Gazetteer. City coordinate and population data for the world.

Highway Departments and Hobbyist Sites

🔗Argentina
- Route List. Official list of national routes.
🔗Armenia
- Armenia Map. Interactive national highway map from the Ministry of Transport and Communication of the Republic of Armenia.
🔗Asia
- UNESCAP Transport. UN site on transport in Asia and the Pacific. Includes Asian Highway list and maps.
🔗Austria
- ASFINAG: Motorways and Expressways Road Concessionaire. Official site of the motorway/expressway network in Austria.
- Legal Information System of the Republic of Austria. Platform and data base providing information on Austrian law.
🔗Azerbaijan
- Roads of the Republic. List of M and R routes from the Azerbaijan Ministry of Transport.
🔗Belarus
- Belarus road network. Includes official map of the country's roads, from Department Belavtodor.
🔗Belgium
- Motorways of Belgium, Netherlands, and Luxembourg. Hobbyist site covering the motorway networks of Belgium, Netherlands, and Luxembourg.
- WikiSARA. Hobbyist site covering the motorway network of Belgium.
🔗Bosnia and Herzegovina
- Federal Ministry of Transport and Communications. Official transportation site for Bosnia and Herzegovina.
- Map of Main and Regional Roads of Bosnia and Herzegovina. Road map of Bosnia and Herzegovina from Ceste d. d. Mostar.
🔗Bulgaria
- Construction of General Master Plan. Motorway plan from the Ministry of Transport, Information Technology, and Communications of the Republic of Bulgaria.
- BG Maps. Tile highway map of Bulgaria from Datecs.
🔗Canada (CAN)
- List of Available Datasets. GIS shapefiles from GeoBase covering the Canadian provinces and territories.

Alberta, CAN
- Government of Alberta Ministry of Transportation: Maps.
British Columbia, CAN
- British Columbia Ministry of Transportation and Infrastructure. Official government site covering transportation in British Columbia, Canada.
- Official Numbered Routes in British Columbia. List of numbered routes in British Columbia from the Ministry of Transportation and Infrastructure.
- Landmark Kilometre Inventory. Route logs for provincial highways, from the Ministry of Transportation and Infrastructure.
Manitoba, CAN
- Highway Map. From Manitoba Infrastructure and Transportation.
- Provincial Highways, PR's, PTH's and Municipal Roads. GIS shapefiles from Manitoba Land Initiative.
New Brunswick, CAN
- New Brunswick Roads. Hobbyist site by J. P. Kirby covering the provincial highways of New Brunswick.
- 2011 Highway Maps (Map Books). From New Brunswick Transportation and Infrastructure.
- 2016 Highway Maps (Map Books). From New Brunswick Transportation and Infrastructure.
- 2021 Highway Maps (Map Books). From New Brunswick Transportation and Infrastructure.
Northwest Territories, CAN
- Ministry of Infrastructure. Official website of territorial Ministry of Infrastructure
- Highway Designation and Classification Regulations. Official list and definitions of territorial highways
- Northwest Territories Highway System. Official highway map
Nova Scotia, CAN
- Nova Scotia Roads. Hobbyist site by J. P. Kirby covering the provincial highways of Nova Scotia.
- Traffic Volumes Primary Highway System 2003-2012. Traffic statistics from the Nova Scotia Department of Transportation and Infrastructure Renewal.
- Traffic Volumes Primary Highway System 2005-2014. Traffic statistics from the Nova Scotia Department of Transportation and Infrastructure Renewal.
- Nova Scotia 2015 Doers & Dreamers Travel Guide (Dead link). Tourism brochure featuring maps of scenic travelways.
- Scenic Travelways Locator Map.
Ontario, CAN
- Ontario Road Map. Official road map of Ontario from the Ontario Ministry of Transportation.
- Ontario Highways. Hobbyist site covering the highways of Ontario.
Prince Edward Island, CAN
- Prince Edward Island Highway Map. From the Prince Edward Island Department of Tourism.
- Prince Edward Island Road Atlas (Dead link). GIS data layers from the Government of Prince Edward Island.
Quebec, CAN
- Quebec 511. Quebec highway maps from Transports Quebec.
- Transports Quebec offical website (in French, English version limited to some traffic and trucking laws).
Saskatchewan, CAN
- Ministry of Transportation and Infrastructure. Official website of provincial Ministry of Transportation and Infrastructure
- Official Road Map. Detailed provincial highway map, prepared by Ministry of Transportation and Infrastructure for Tourism Saskatchewan.
- Highway Hotline. Ministry of Transportation and Infrastructure map, showing major routes and their current road conditions.
- Travel on Saskatchewan Highways 2016. Ministry of Transportation and Infrastructure traffic count report, including detailed list of province-maintained highways.
- Canada Back Road Atlas. Paper 2008 road atlas by MapArt, covering Saskatchewan and other provinces, showing detailed route information including names of intersecting roads not available online.
Yukon Territory, CAN
- Department of Highways and Public Works. Official website of territorial Department of Highways and Public Works
- Yukon Highways Log Book. 2012 official list and definitions of territorial highways, with route details

🔗Croatia
- Croatian Motorways Ltd.. Official site of the motorway network in Croatia.
- Croatian Roads. State highway list from Croatian Roads d. o. o.
- List of dedicated routes. Classification of public roads
🔗Czechia
- Ceske Dalnice. Hobbyist site covering the motorway/expressway network in Czechia.
- Road and Motorway Directorate of Czechia. Official site of the motorway/expressway network in Czechia.
🔗Denmark
- Motorway Exit Numbers. Interchange listings from the Denmark Road Directorate.
- State Road Map. Map of state-maintained roads of the Denmark Road Directorate.
- Margueritruten Road Map. Map of the Margueritruten tourist route.
🔗Estonia
- UNECE map of Estonian E Roads. Official map showing route of International European Roads Estonia from the United Nations Economic Commission for Europe.
- UNECE map of E264. Official map showing the route of E264 in Estonia and Latvia from the United Nations Economic Commission for Europe.
- UNECE map of E265. Official map showing the route of E265 in Estonia from the United Nations Economic Commission for Europe.
- List of State Highways.Official list of all highways in Estonia from the Office of Economic Affairs and Communications of Estonia.
🔗Europe
- UNECE Transport. UN site on transport in Europe. Includes E Road list and maps.
🔗Finland
- Introduction to Roads in Finland. Hobbyist site by Matti Grönroos covering the Finnish road network.
🔗France
- WikiSARA. Hobbyist web site.
- SARAtlas. Motorway maps and exit guides site.
- data.gouv.fr. French public open data platform.
🔗Georgia
- Georgia Road Map. Interactive highway map from the Georgia Motor Roads Department.
🔗Germany
- Autobahn-Atlas. Hobbyist site by Patrick Scholl covering the detailed routings and plans for German motorways.
- Road Construction. German motorway construction plans and maps from the Federal Minsitry of Transport, Building and Urban Development.
- Autobahn directory. List of German federal motorways (2016 version)
- Mauttabelle. List of tolled roads (frequently updated list of federal roads)
- Bundesstraßen directory. List of German federal non-motorway roads (2009 version, link broken)
- Baden-Württemberg
  - Traffic monitoring. Road map.
  - Geo portal BW. Road map.
- Bavaria
  - BAYSIS road map. Road information system.
- Berlin
  - Detailed net. Road map.
- Brandenburg
  - Brandenburg viewer. Road map viewer.
  - Net node maps.
- Hamburg
  - HVS. Road map.
- Hesse
  - Net node maps.
- Lower Saxony
  - Road map. Road information database.
- Mecklenburg-Western Pomerania
  - GAIA-MV. Road map.
- North Rhine-Westphalia
  - Road map. Road information database.
- Rhineland-Palatinate
  - Road map.
  - Geo portal RLP.
- Saarland
  - Geo portal. Road map.
- Saxony
  - Geo portal "Sachsenatlas". Road map.
- Saxony-Anhalt
  - Sachsen-Anhalt viewer. Road map.
- Schleswig-Holstein
  - Digital Atlas. Road map.
- Thuringia
  - Road map.
🔗Greece
- Greek Motorway Net. Hobbyist site covering transportation in Greece.
- Egnatia Motorway Project. Official site of Egnatia Odos, covering the motorway A2 and connectons to countries to the north.
- Aegean Motorway Map. Map of A1 Klidi - Lami from Aegean Motorway S. A.
- Destination Information. Map of A7 and A71 from Moreas A. E. motorway company.
- Map of A8 and A9. Map from Olympia Odos.
🔗Hungary
- National Infrastructure Development Corporation. Official site of the motorway/expressway network in Hungary, with information about construction works.
- Road Network. Traffic conditions and maps of Hungary's motorways from the State Motorway Management Company.
🔗Iceland
- Vegagerdin Map. Official map from Vegagerdin, Iceland's national department of transportation.
🔗Ireland
- National Roads Network Maps. Official highway maps from Ireland's National Roads Authority.
- Roads Act 1993 (Classification of National Roads) Order 2006. Official 2006 list of national roads of Ireland published by the Government Publications Office
- Roads Act 1993 (Classification of National Roads) Order 2012.. Official list of Irish motorways and N roads, with route descriptions.
- Motorways (RoI). Ireland Motorways section of the hobbyist site SABRE Roads.
- N Roads. Ireland National Roads section of the hobbyist site SABRE Roads.
🔗Isle of Man
- A Roads (Isle of Man). Manx A Roads section of the hobbyist site SABRE Roads.
🔗Italy
- ANAS. Official site of the state highway network in Italy.
- Italian Association of Concessionaires of Motorways and Tunnels. Official site of the motorway companies in Italy.
- Motorways for Italy. Official site of the motorway network of Italy.
🔗Jamaica
- Highway 2000. Info about Jamaican motorways from the National Road Operating and Construction Company of Jamaica.
🔗Jersey
- A Roads (Jersey). Jersey A Roads section of the hobbyist site SABRE Roads.
🔗Kazakhstan
- Kazakhstan Oblast Road Maps. Official highway maps from the Ministry of Transport and Communications of the Republic of Kazakhstan.
- Conditions and Classifications of the highways of the Republic of Kazakhstan. M, A, and R route listings from the Ministry of Transport and Communications of the Republic of Kazakhstan.
🔗Kosovo
- Road Network Map. PDF map of the road network of Serbia and Kosovo from Road of Serbia.
🔗Latvia
- Lists of State Roads and Sections of Municipal Roads. Official listing of routes from the Latvia State Roads department.
- UNECE map of E264. Official map showing the route of E264 in Estonia and Latvia from the United Nations Economic Commission for Europe.
🔗Luxembourg
- Administration of Roads and Bridges. Official site covering the highway network of Luxembourg.
- Motorways of Belgium, Netherlands, and Luxembourg. Hobbyist site covering the motorway networks of Belgium, Netherlands, and Luxembourg.
- WikiSARA. Hobbyist site covering the motorway network of Luxembourg.
🔗Macedonia
- Macedonia Road Network. Maps and route lists at the official site, Fund for National and Regional Roads of the Republic of Macedonia.
🔗Mexico
- Description of State Atlas. Road maps of Mexico from the Secretariat of Communications and Transport of Mexico.
- Physical State of Highways. Road maps and federal highway logs by state in Mexico.
🔗Moldova
- Map of International European Roads in Moldova. Official map showing route of International European Roads in Moldova from the Moldova Ministry of Transportation and Highway Infrastructure.
🔗Montenegro
- Montenegro Main and Regional Road Map. Official highway map from the Montenegro Transport Directorate.
🔗Netherlands
- Motorways of Belgium, Netherlands, and Luxembourg. Hobbyist site covering the motorway networks of Belgium, Netherlands, and Luxembourg.
🔗Norway
- Road Network Map. Official site of the Norwegian Public Roads Administration.
🔗Poland
- General Directorate for National Roads and Motorways. Official site of the highway network in Poland.
🔗Portugal
- Brisa - Portugal. Traffic and motorway site for Brisa in Portugal.
- Infraestruturas de Portugal. Official site of the road authority.
- Estradas de Portugal - mapa - PRN 2000. Hobbyist map based on official national plan but with higher resolution.
🔗Romania
- Motorway Construction. Information about the construction of Romania's motorway network from the National Motorways and National Roads Company of Romania.
- Program of Motorway Construction. Construction progress on Romania's motorway network from the Ministry of Transport and Infrastructure of Romania.
🔗Serbia
- Road Network Map. PDF map of the road network of Serbia and Kosovo from Road of Serbia.
- Regulation on the Categorization of State Roads. List of roads, with descriptions, from April 2024.
🔗Slovakia
- National Motorway Company. Official site of the motorway/expressway network in Slovakia.
🔗Slovenia
- Motorway Company of the Republic of Slovenia. Official site of the motorway/expressway network in Slovenia.
🔗Spain
- Maps of Spanish Infrastructure. Map of current motorway/expressway system of Spain by Francisco Diaz Pardo.
- System of Autonomous Highways. Road maps and video highway log from the Galicia Directorate of Intrastructure.
🔗Sweden
- Maps of Swedisch Infrastructure. Map of current road system of Sweden.
🔗Switzerland
- List of Motorways and Expressways. Legislative highway definitions for the national highway network of Switzerland.
- The Swiss Motorways. Hobbyist site covering the motorway network of Switzerland.
- Grand Tour of Switzerland.
🔗Turkey
- General Directorate of Highways. Official site of the motorway network in Turkey.
🔗Ukraine
- Euro 2012 Highway. Hobbyist site on Ukrainian roads, including European routes in the country.
🔗United Kingdom
- Ordnance Survey Get A Map. Detailed official mapping of Britain and the Isle of Man.
- Motorway Database. Motorway exit guides from Chris Marshall's hobbyist site Chris's British Roads Directory.
- Motorways. Great Britain Motorways section of the hobbyist site SABRE Roads.
- A Roads. Great Britain A Roads section of the hobbyist site SABRE Roads.
- Motorways (Northern Ireland). Northern Ireland Motorways section of the hobbyist site SABRE Roads.
- A Roads (Northern Ireland). Northern Ireland A Roads section of the hobbyist site SABRE Roads.
🔗United States of America (USA)
- FHWA Route Log and Finder List. Log of the US Interstate Highways from the Federal Highway Adminsitration.
- 3 Digit Interstates at kurumi.com. Comprehensive national directory of 3 digit interstates.
- Committee Actions and Approvals. Interstate and US Numbered Highways changes from the American Association of State Highway and Transportation Officials Special Committee on US Route Numbering.
- AARoads Interstate Business Route Guide. Unofficial nationwide guide to Interstate business routes.

Alabama, USA
- Milepost/General Highway Maps. Official highway maps from the Alabama Department of Transportation.
Alaska, USA
- Alaska DOT&PF website. Official website of state Department of Transportation and Public Facilities.
- Route logs from the Alaska Department of Transportation and Public Facilities (not currently online).
- 2016 Alaska Traffic Manual Supplement to MUTCD, part 2. Part of ATM including updated official list and definitions of numbered state highways.
Arkansas, USA
- Arkansas highway maps. Online road maps from the Arkansas State Highway and Transportation Department.
- Arkansas GIS Office Data. Various shapefiles covering transportation infrastructure and county and civil boundaries.
Arizona, USA
- Arizona State Highway System Log. Official route log from the Arizona Department of Transportation.
- Functional Classification Maps. Official county, city, and native nations highway maps from the Arizona Department of Transportation.
California, USA
- Caltrans website. Official website of state Department of Transportation ("Caltrans").
- California Streets and Highway Code sections 300-635. Statutory definitions of state highway routes, including authorized relinquishments to local governments.
- California State Highways Logs for districts 1-12 (paper only, 2002 version which is the latest available)
- Log of Bridges on State Highways. Current Caltrans bridge log, including some information that had been in old paper route logs.
- Cal-NExUS (California Numbered Exit Uniform System). Caltrans freeway exit lists.
- AARoads California Roads and Highways guide. Unofficial guide to state highway routes.
- Transportation Concept Reports. Detailed descriptions by Caltrans districts of many of their state highway routes, including past and planned future route changes.
- State Highway System Signing Log. 1991 Caltrans summaries of signed routes, including what may be latest and only complete (though outdated) lists of Interstate, U.S., and state business routes.
- Caltrans Postmile Query Tool. Map showing endpoints of all state highway route segments.
- California Highways. Hobbyist website by Daniel Faigin.
Colorado, USA
- Corco Highways. Hobbist site covering state highways.
Connecticut, USA
- Connecticut Roads. Hobbyist site by Scott Oglesby covering highways in Connecticut.
- ConnDOT: Maps. Transportation Related Mapping from the Connecticut Department of Transportation. Accessed 2019-11-11.
- Connecticut GIS Data @ MAGIC. Roads and Transportation shapefiles from the UCONN Map and Geographic Information Center. Accessed 2019-11-11.
Delaware, USA
- Official Transportation Map. Road map from the Delaware Department of Transportation.
- Road Network Files. Shapefiles from the Delaware Department of Transportation.
- Vehicle Volume Summary (Traffic Counts). Traffic Counts and Road Information from the Delaware Department of Transportation.
Florida, USA
- FDOT Geographic Information System (GIS). Official GIS data from the Florida Department of Transportation.
Georgia, USA
- Georgia State Highway Maps. Official statewide and county maps from the Georgia Department of Transportation.
- GeoTRAQS Online Mapping. Official online GIS data from the Georgia Department of Transportation.
Hawaii, USA
- Hawaii DOT website. Official website of state Department of Transportation.
- 2009 and 2012 Hawaii DOT straight-line diagrams, for state routes in all four HDOT districts (not currently available online).
- Hawaii Highways. Hobbyist website by Oscar Voss, with route lists updating some SLDs.
Idaho, USA
- Idaho Milepoint Log. Official route log from the Idaho Transportation Department.
Illinois, USA
- Illinois State Highway Map. Official state highway map from the Illinois Department of Transportation.
Indiana, USA
- Indiana highway maps. Online roads maps from the Indiana Department of Transportation.
Iowa, USA
- Iowa State Highway Map. Official state highway map from the Iowa Department of Transportation.
- Iowa County Maps. Official county maps from the Iowa Department of Transportation.
- Iowa DOT Maps. Official state, county, and city maps from the Iowa Department of Transportation.
- The Iowa Highways Page. Hobbyist site by Jason Hancock covering highways in Iowa.
Kansas, USA
- Kansas Maps. From the Kansas Department of Transportation.
Kentucky, USA
- Kentucky Transportation Cabinet SPRS Maps. State Primary Road System Maps from Kentucky Transportation Cabinet.
- Kentucky Transportation Cabinet Local Roads Spatial Application
- Kentucky State Highway Map. Official State map from the Kentucky Transportation Cabinet.
Louisiana, USA
- State, District, and Parish Maps. Official highway maps from the Louisiana Department of Transportation.
Maine, USA
- RoadsAroundME.com. Hobbyist site by Cameron Kaiser covering highways in Maine.
- Maine Office of GIS Data Catalog. MEDOTPUBRDS and E911RDS shapefiles covering roads in Maine.
Maryland, USA
- Highway Location Reference. Route log and inventory of state highways in Maryland from the State Highway Administration.
- Maps and Brochures. Official state highway maps from the Maryland State Highway Administration.
Massachussetts, USA
- Official Massachusetts Transporation Map (Dead link). Official Massachusetts Transportation Map.
- MassDOT Road Inventory Shapefiles (Dead link). Official Massachusetts Department of Transportation GIS data for highway routings.
- MassGIS Data - MassDOT Roads . Official state-maintained shapefiles, representing all public and many private roadways in Massachusetts.
Michigan, USA
- Michigan Highways. Comprehensive directory of Michigan highways
- Michigan State Highway Map. On-line Michigan state highway map.
- Mi Drive. A traffic and construction information resource center for driving Michigan roads.
Minnesota, USA
- Trunk Highway Log Point. Official highway log from the Minnesota Department of Transportation.
- Trunk Highway System. GIS data from the Minnesota Department of Transportation.
Mississippi, USA
- State-Designated State-Maintained Highway System of Mississippi. State-Designated State-Maintained Highway System of Mississippi.
Missouri, USA
- Missouri State Highway Map. Official state highway map from the Missouri Department of Transportation.
- Missouri County Maps. Official county maps from the Missouri Department of Transportation.
Montana, USA
- Corco Highways. Hobbist site covering state highways.
Nebraska, USA
- Nebraska Highway Reference Log Book (Dead link). Highway inventory from the Nebraska Department of Roads.
- NDOR Map Library. Official maps from the Nebraska Department of Transportation.
- Nebraska Roads. Hobbyist site by Jesse Whidden covering highways in Nebraska.
Nevada, USA
- State Maintained Highways of Nevada. Official document describing and mapping highways from the Nevada Department of Transportation.
New Hampshire, USA
- NH Public Roads. GIS shapefiles from GRANIT covering New Hampshire public roads.
New Jersey, USA
- State and County Maps. Official highway maps from the New Jersey Department of Transportation.
- Straight Line Diagrams. Official highway log from the New Jersey Department of Transportation.
- NJDOT Geographic Information Systems Maps. NJ Roadway Network shapefiles.
- New Jersey Road Centerlines. Shapefiles from New Jersey Office of GIS.
New Mexico, USA
- NMDOT website. Official New Mexico Department of Transportation website.
- NMDOT Posted Routes for New Mexico Routes. Official New Mexico Department of Transportation posted route legal descriptions.
- NMDOT AADT Listing. Official New Mexico Department of Transportation TIMS road segments by posted route/point with AADT info.
- NMDOT Roadway Functional Class map. Shows official route designations and other route information.
- The Unofficial New Mexico Highways Page. Hobbyist site by Steve Riner, describing current and historical New Mexico state routes.
New York, USA
- NYSDOT Traffic Data Reports. Official traffic data from New York State Department of Transportation.
- NYSDOT Touring Routes (2009 edition). Official route listings from New York State Department of Transportation.
- NYSDOT Touring Routes (2017 edition). Official route listings from New York State Department of Transportation.
- NYS Traffic Data Viewer. Interactive map and viewer for New York State Department of Transportation's highway data.
- NYS GIS Clearinghouse. NYS Dept. of Transportation (DOT) Data Sets.
North Carolina, USA
- NCRoads.com Annex. Directory in development of North Carolina highways.
- NCDOT State Mapping Resources. Current and historic North Carolina county and state highway maps.
- NCDOT Route Changes. Proposed and historic changes to North Carolina highways.
North Dakota, USA
- NDDOT Maps. Official maps from the North Dakota Department of Transportation.
- North Dakota Highways. Hobbyist site by Chris Geelhart covering highways in North Dakota.
Ohio, USA
- Unofficial Ohio State Highways. John Simpson's directory in development of Ohio highways.
- Ohio Official Highway Map. On-line Ohio state highway map.
- ODOT Straight Line Diagrams. Comprehensive directory of straight line diagrams of Ohio highways.
Oklahoma, USA
- Current Control Section Maps. County maps from the Oklahoma Department of Transportation.
- Oklahoma Maps Online. From the Oklahoma Department of Transportation.
- GripLite (Dead link). Online maps from the Oklahoma Department of Transportation.
- Oklahoma State Highway Map. Official map from the Oklahoma Department of Transportation.
- Control Sections. GIS shapefiles from the Oklahoma Department of Transportation.
Pennsylvania, USA
- PennDOT Maps. Official highway maps of Pennsylvania, United States.
- RMS Annual SLDs By County. RMS Annual Straight Line Diagrams from the Pennsylvania Department of Transportation
- PennDOT VideoLog. Pennsylvania Department of Transportation (PennDOT) VideoLog that shows roadway information and images.
- PennDOT Traffic Volume Maps. Official highway maps of Pennsylvania that also show traffic volumes along state routes.
Rhode Island, USA
- RIDOT Map Room. PDF maps from the Rhode Island Department of Transportation.
- USRoute1.Net (Dead link). Hobbyist site by Shawn De Cesari covering highways in Rhode Island.
- Transportation Networks. GIS shapefiles from Rhode Island Geographic Information System.
South Carolina, USA
- GIS/Mapping SCDOT. Official GIS data from the South Carolina Department of Transportation.
- SC Maps. Official maps from the South Carolina Department of Transportation.
- South Carolina Highway Annex.
South Dakota, USA
- South Dakota DOT Maps. Official maps from the South Dakota Department of Transportation.
- South Dakota DOT Pavement Condition Monitoring.
Tennessee, USA
- TDOT Maps. Official Tennessee State and County Maps.
Texas, USA
- Texas Highway Designation Files. From the TxDOT Transportation Planning and Programming Division.
- County Grid Map Search. Grid maps from the Texas Department of Transportation, organized by county.
- Statewide Planning Map. From the Texas Department of Transportation.
- TxDOT Roadways. Shapefiles maintained by TxDOT Transportation Planning and Programming Division.
- Open Data Portal. TxDOT GIS data.
Utah, USA
- Highway Reference Online. Online route inventory from the Utah Department of Transportation.
Vermont, USA
- Town Highway Maps. From the Vermont Agency of Transportation.
- 2010 (Route Log) AADTs, State Highways. From the Vermont Agency of Transportation.
- TransRoad_RDS. GIS shapefiles from the Vermont Center for Geographic Information covering Vermont road centerlines.
Virginia, USA
- Virginia Traffic Data. Official traffic and highway data from the Virginia Department of Transportation.
- Virginia DOT Maps. Official highway maps from the Virginia Department of Transportation
- Virginia Highways Page.
Washington, USA
- Washington State Highway Log. Roadway data and mileage statistics for more than 7,000 miles of Washington State Highways.
West Virginia, USA
- GIS Maps. Official state, county, and city maps from the West Virginia Department of Transportation.
Wisconsin, USA
- Wisconsin State Highway Map. Official state highway map from the Wisconsin Department of Transportation.
- Wisconsin County Maps. Official county maps from the Wisconsin Department of Transportation.
Wyoming, USA
- Corco Highways. Hobbist site covering state highways.
- GIS
- Non-GIS county info
  - Campbell County map (non-Internet Explorer)
  - Converse County road numbers
  - Platte County road map
  - Niobrara County numbered roads
  - Weston County (names and numbers): 1, 2
- Forest Service MVUMs:
  - Medicine Bow-Routt NF: Snowy Range, Sierra Madre, Pole Mountain
  - Bridger-Teton NF: 1, 2
  - Shoshone NF
  - Bighorn NF
  - Ashley NF (Flaming Gorge NRA): 1, 2

General
- Road Numbering Systems. Hobbyist site about the various road numbering systems around the world.
- SkyscraperCity Highways and Autobahns Forum. Hobbyist forum for discussing the major highways of each country.
- Motorways - Exit Lists. Hobbyist site with detailed info about the motorways in each country.
- The Expressway Site. Comprehensive national directory of at-grade expressways.
- Wegenwiki. Dutch hobbyist site with information on roads from around the world.
- Wikipedia. Numerous pages about highways in the above countries in various language editions.

Web/Software Tools

The project's free, public repositories are hosted on GitHub
Site update code uses Python
The web server is hosted at Siena College, and is a FreeBSD server running Apache with PHP and MySQL.
Mapping capabilities are provided by Leaflet with the extension and map tiles from various sources as indicated on the online maps
Geocoding capabilities use Nominatim.
Other JavaScript libraries in use include jQuery, and code adapted from MOUT, leaflet-control-window.
The shield generator uses Roadgeek Fonts.

Project Contributors

Joseph Barnes (the_spui_ninja)
Eric Bryant (yakra)
Anthony Costanzo (duke87)
Evin Fairchild (compdude)
Dave Filpus (dfilpus)
Filpus Roadgeek
Adam Froehlig (froggie)
Froggie's Place
Si Hollett (si404)
Michael H (michih)
James Mast (rickmastfan67)
Rickmastfan67 Blog
Jeff Morrison (jeffm)
Iowa Highway Ends
Mark Moore (Markkos1992)
Mike Roberson (mapmikey)
Mihai-Lucian Radu (panda80)
Dave S (mapcat)
Christopher Steig (Bickendan)
Nick Tallyn (ntallyn)
Jim Teresco (terescoj), Primary Site Development
Why Do You Have So Many Pictures of Road Signs?
Oscar Voss (oscar)

Predecessor Project

Travel Mapping is the successor project to the dormant Clinched Highway Mapping (CHM) project, developed and operated by Timothy Reichard. Some underlying code and the initial highway data are based on CHM. The contributors listed above built on the work of CHM's Collaborators.

Credits and Sources Manual/Developer Tools/Links Raw Stats Stats/Logs Archive TM on GitHub