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There are three systems of major highways in the United States of America: The Interstate Highway System, the United States Numbered Highway System (also known as U.S Routes or Highways), and State Highways/Routes/Roads.

Interstate Highways Edit

Is 5 shield

Interstate shield

Interstate Highways are controlled-access highways, which mean they don't have intersections, traffic signals, or access to property. They are written in the format Interstate XX (I-XX).

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An example of an Interstate Highway in American Truck Simulator

There is a number system for the main Interstates. Interstate freeways going west-east have even numbers and are numbered south to north (e.g. Interstate 8 is in the southern US and Interstate 90 is in the northern US). Interstate freeways going south-north have odd numbers and are numbered west to east (e.g. Interstate 5 is in the western US and Interstate 25 is east of that).

The main Interstate freeways featured in American Truck Simulator are:

Number Length* (mi) Length* (km) Southern or western terminus Northern or eastern terminus Added Notes
IS5 746 San Diego, California Portland, Oregon v1.0 Serves two states: CA, OR
Associated routes: I-105, I-205I-405
IS8 334 538 I-5 in San Diego, California I-10 in Arizona v1.0 Serves two states: CA, AZ
IS10 724 1,165 I-5 in Los Angeles, California I-25 in Las Cruces, New Mexico v1.0 Serves three states: CA, AZ, NM
Associated routes: I-110
IS15 265 426 I-8 in San Diego, California US 93 in Las Vegas, Nevada v1.0 Serves two states: CA, NV
IS17 155 249 Phoenix, Arizona I-40 in Flagstaff, Arizona v1.3 Serves one state: AZ
IS19 56 90 Nogales, Arizona I-10 in Tucson, Arizona v1.3 Serves one state: AZ
IS25 415 I-10 in Las Cruces, New Mexico Raton, New Mexico New Mexico Expansion Serves one state: NM
IS40 825 I-15 in Barstow, California Tucumcari, New Mexico v1.0 Serves three states: CA, AZ, NM
IS80 562 903 San Francisco, California US 93 in WellsNevada v1.0 Serves two states: CA, NV
Associated routes: I-580
IS82 ? ? I-90 in Ellensburg, Washington I-84 near Pendleton, Oregon Washington Expansion Serves two states: WA, OR
IS84 389 626 I-5 and US 30 in Portland, Oregon US 95 in Idaho Oregon Expansion Serves two states: OR, ID
IS90 ? I-5 in Seattle, Washington Spokane, Washington Washington Expansion Serves two states: WA, OR

There are also several auxillary Interstates featured in American Truck Simulator, which are numbered with a number in front of the originating Interstate. Odd means that its a spur and even means that it loops back:

Number Length* (mi) Length* (km) Southern or western terminus Northern or eastern terminus Added Notes
IS105 OR 99 and OR 126 in Eugene, Oregon I-5 and OR 126 in Springfield, Oregon Oregon Expansion Serves one state: OR
IS205 17 I-84 and US 30 in Portland, Oregon Airport Way in Portland, Oregon Oregon Expansion Serves one state: OR
IS405 44 I-5 in Portland, Oregon I-5 and US 30 in Portland, Oregon Oregon Expansion Serves one state: OR
IS580 118 189 US 101 in San Rafael, California I-5 in California v1.0 Serves one state: CA
IS580 78 125 US 395 in Carson City, Nevada I-80 and US 395 in Reno, Nevada v1.0 Serves one state: NV
Interstate 25 Business Loop icon

Some Interstates also have business loops. They are short roads that connect the Interstate exits with other major highways.

US Highways Edit

Us 101 shield

US Highway shield

US Highways are a system of highways and roads. The numbering system for US Highways is the opposite of that for the Interstates. East-west routes have even numbers and are numbered north to south. North-south routes have odd numbers and are numbered east to west. The format for US Highways is U.S. Route XX (US XX):

US 84 Santa Fe

An example of an US Highway in American Truck Simulator

Number Length* (mi) Length* (km) Southern or western terminus Northern or eastern terminus Added Notes
US6 242 389 US 395 in California US 50 and US 93 in Ely, Nevada v1.0 Serves two states: CA, NV
US20 US 101 in Newport, Oregon OR 201 in Ontario, Oregon Oregon Expansion Serves one state: OR
US30 US 101 in Astoria, Oregon I-84 in Ontario, Oregon Oregon Expansion Serves one state: OR
US50 I-580 and US 395 in Nevada US 6 and US 93 in Ely, Nevada v1.0 Serves one state: NV
US54 199 321 Alamogordo, New Mexico I-40 and US 84 in Santa Rosa, New Mexico New Mexico Expansion Serves one state: NM
US60 US 93 in Arizona Clovis, New Mexico v1.3 Serves two states: AZNM
US62 52 85 US 285 in Carlsbad, New Mexico Hobbs, New Mexico New Mexico Expansion Serves one state: NM
US64 373 601 US 160 and US 191 in Arizona I-25 in New Mexico New Mexico Expansion Serves two states: AZ, NM
US70 424 684 US 191 in Arizona US 60 in Clovis, New Mexico New Mexico Expansion Serves two states: AZ, NM
US82 178 287 US 54 and US 70 in Alamogordo, New Mexico US 62 in Hobbs, New Mexico New Mexico Expansion Serves one state: NM
US84 245 394 US 64 in New Mexico US 60 in Fort Sumner, New Mexico New Mexico Expansion Serves one state: NM
US89 134 216 US 180 in Flagstaff, Arizona SR 98 in PageArizona v1.3 Serves one state: AZ
US93 709 1,142 US 60 in Arizona Jackpot, Nevada v1.0 Serves two states: NV, AZ
US95 573 922 I-8 in Yuma, Arizona I-84 in Idaho v1.0 Serves five states: AZ, CA, NV, OR, ID
US97 155 249 I-5 in Weed, California I-84 and US 30 in Biggs Junction, Oregon Oregon Expansion Serves two states: CAOR
US101 679 1,093 Interstate 5 in Los Angeles, California US 30 in Astoria, Oregon v1.0 Serves two state: CA, OR
US160 US 89 in Arizona US 64 and US 191 in Arizona v1.3 Serves one state: AZ
US180 SR 64 in Grand Canyon Village, Arizona I-40 in Flagstaff, Arizona v1.3 Serves one state: AZ
US191 US 70 in Arizona US 64 and US 160 in Arizona v1.3 Serves one state: AZ
US197 US 97 in Oregon I-84 and US 30 in The Dalles, Oregon Oregon Expansion Serves one state: OR
US199 US 101 in Crescent City, California I-5 in Grants Pass, Oregon Oregon Expansion Serves two states: CAOR
US285 295 475 Carlsbad, New Mexico US 84 in New Mexico New Mexico Expansion Serves one state: NM
US380 154 248 I-25 in New Mexico US 70 and US 285 in Roswell, New Mexico New Mexico Expansion Serves one state: NM
US395 475 764 SR 14 and SR 58 in California I-84 in Pendleton, Oregon v1.0 Serves three states: CA, NV, OR
US491 86 138 I-40 in Gallup, New Mexico US 64 in Shiprock, New Mexico New Mexico Expansion Serves one state: NM
US550 145 234 I-25 in Albuquerque, New Mexico US 64 in Farmington, New Mexico v1.32 Serves one state: NM

State Highways Edit

States in the US also have their own highway systems:

State Highway designation Format Shield
Arizona Flag Arizona Arizona State Routes State Route X (SR X) AZ 66 sign
CA mini California California State Highway Routes State Route X (SR X) 2000px-California 14.svg
Flag of Nevada.svg Nevada Nevada State Routes State Route X (SR X) NV 375 sign
New Mexico Flag New Mexico New Mexico State Roads State Road XX (NM XX) Nm 529 shield
Flag Oregon Front Oregon Oregon State Highways Oregon Route X (OR X) Or 126 icon

Note Edit

*Because the game is set in to different scales (a 'regular' scale - 1:20 - and a 'city' scale), these lengths are not to scale

References Edit