| Toll_Facilities_in_the_United_States Full and partial lists with details, courtesy the Federal Highway Administration. |
| TollRoadsNews Online private newsletter providing information and commentary. |
| Traffic_Technologies,_Incorporated Consultants for Intelligent Transportation Systems (ITS). Has links to clients. |
| American_Byways_Forum Covers various topics. Upper Ohio River, U.S., focus. |
| Hit_The_Road! Forum divided into many topics. |
| The_I-95_Travel_Forums Covers various topics about the highway in the U.S. and nearby services. |
| Roadgeeks_(Un)Anonymous\'_Journal Weblog predominantly for road trip itineraries. |
| SABRE_Forum_Index The Society for All British Road Enthusiasts' discussion board which also has categories for international discussion. |
| Yahoo!_Groups__seroads_-_Southeast_Roads_and_Transport Covers the area in the United States, from the Mason-Dixon line south to Florida and west to the Mississippi River. |
| Yahoo!_Groups__Transportation Collection of the dozens of related discussion groups. |
| Yahoo!_Groups__Travel Includes a few relevant groups. |
| American_Ski-Bike_Association An informational and educational website covering all aspects of skibiking/skibobbing. |
| Brenter_Original_Snowbike Main information page for Brenter Snowbikes. |
| Canadian_SkiBike_Association Information about skibobs in Canada, mainly from Alberta. |
| Cascade_Powder_Cats Provides SnowCat transportation at Snoqualmie Summit for skiers and snowboarders for a full day of backcounty skiing plus they allow skibobs. |
| Crighton A new skibike from Crighton, will be for sale during the 2004 season |
| Federation_International_of_Skibobs Information on skibobbing from Europe, skibobbing history, and photos, and the race schedule for the upcoming season. |
| Hanson_Ski_Bikes Conversion kit which converts mountain bikes for use on snow. |
| The_Koski_MonoTrac Koski MonoTrac Skibike, full-suspension skibike |
| Nostalgie Here are some pictures taken in 1969 from the Swiss skibob team. |
| Romuald_Bonvin_Speed_Skiing_-_SkiBob, Romuald Bonvin sets the world record for skibobs/snowbike. |
| SkiBike_Adaptive information and links about skibikes for adaptive skiers. |
| Skibike_Ltd_-_Home_Page Site with information about skibikes |
| Skibikers_On_The_Piste A UK skibike site for all the family. |
| Skibobs_Snowbikes_Skibikes Personal page with pictures and comment about skibobbs |
| Slopecycle skibike from California |
| Sno_Ray skibike for kids |
| Snowbike_is_a_sport_for_the_devils History of skibobs written by someone from the Swiss Snowbike Team. |
| Snowcross_bike Another skibike that uses snowboards for skis. |
| Snowriderskibikes_com A new skibike from snowrider skibikes.... |
| Alaska_Underseas_Tours Ketchikan, Alaska, USA semi-submersible operation taking 16-passenger on a 90-minute tour. Features excursion details, rates, and picture gallery. |
| AquaMir_Ltd_ Lamaka, Cyprus tour operator offering 40-passengers excursions to a depth of 150 feet. Features submarine specifications, company profile, reservation details, picture gallery, maps and directions. [E |
| Atlantis_Submarines_International,_Inc_ Dive locations in the Caribbean and South Pacific taking 48-64 passengers to excursions of 100 feet. Features company history, tour schedules, sales, destination information, and extensive multimedia |
| The_Bubble_Sub Located in George Town, Grand Cayman, Cayman Islands carrying 2-passengers to excursions of 50 feet. Features company and vessel profile, picture gallery, and reservation form. |
| Caicos_Tours_Ltd_ Turtle Cove, Australia operation taking 16-passengers on a 1-hour semi-submersible tour. Feature rates, location, schedule, and pictures. |
| Haliburton_Forest_and_Wildlife_Reserve_Ltd_-_Submarine Dive tours of MacDonald Lake, Ontario, Canada to a depth of 70 feet. Features PDF download for reservations. |
| Nautilus_of_Cayman_Ltd_ Semi-submersible providing underwater excursions off George Town, Grand Cayman, Cayman Islands. Features tour profile, map, and reservation form. |
| Pacific_Subsea_Saipan,_Inc_ Located in Guam offering excursions of Saipan Lagoon to 100 feet. Features tour overview, daily schedule, video and picture gallery. [English, Japanese, Korean] |
| Stanley_Submarines Located in Roatan, Honduras, Central America carrying 1 pilot and 2-passengers to excursions of 3,000 feet. Features vessel, destination, and marine life profiles, and sales information. |
| Submarine_Safaris_S_L_ Located in Puerto Calero, Canary Islands taking 48-passengers to excursions of 200 feet. Features company profile, schedule and sales, reservation form, and children's interactive resources. [English, |