Often, you may have to drive, or navigate to a different location, sometimes overseas, sometimes different States both distance and near vision in which you require the services of a road network system, a large part of the United States. Knowledge about the types of road and street naming is important to help prevent getting lost in unfamiliar places. Major roads in the country, there are 3 types: United States.Interstate HighwayUnited States HighwayState Route1. Interstate Highway Interstate Highway is interstate road network according to the standard contains at least four road lanes and unidirectional to break back. There are no traffic lights along the way. There is a clear exit and entrance to prevent traffic jams. That is the very best quality, because the majority of the accidents, such as safeguards and protective way shoulder falls road (similar to the khwangklang color channels, traffic on the roads in the countries of Thailand, to cause an audible alarm before entering the district, use extra caution.) And the bad weather is not curved too, etc. There is also a limit to the speed (the Speed Limit), the highest is around 65-75 miles per hour, depending on the State. Interstate Highway numbering is as follows: -The main road there is a numbers up to 2 digits number "odd" is a line that runs along the North-South section, "the couple" is a line that ran East-West. The odd numbers are counted from the West Coast (Pacific) to East (Atlantic) part number is counted from the South side to the north side. These roads main roads (Primary routes), ending with 5 or 0, e.g. I-5 is a North-South Road that runs along the California coast (Pacific), while I-95 is a North-South Road that runs along the Atlantic coast from Maine (Maine) to the State of Florida (Florida), I-10 road, running West-East side just south of the U.S. (California-Texas-Florida), I-90 road, running West-East, North of the U.S. (Washington-Illinois-Massachusetts) -Other road numbers up to 2 digits is classified as Main routes such as I-76 I-93, etc. -Three-digit roads are secondary roads of Interstate Highway numbers are determined by a different group is derived from cutting the first digit is the number of the mother road. The first digit is a section indicating the type of road. That is, there is an odd number as destination Street at the intersection of non-Interstate (Interstate ends) doubles as a road, with origin and destination at the mother as I-495 road with the start and end points are at I-95 part begin I-393 at I-93 but the end meets the other roads that are not Interstate Highway, etc. To determine the number of miles and Interstate Highway exit numbers are generally as follows: -Counting the number of miles and starts from the South or West side of the State such as New Hampshire State I-95 to count the number of miles and exit from the South side of State (Mile 0 and 1 respectively, and Exit) I-76. In the State of Pennsylvania will count the number of miles and exit from the West side of the State, etc. Sometimes the counting numbers, leaving the count sort (Exit Exit Exit 1, 2, 3, ...), but sometimes the count, it will be based on mileage instead. That is, the number of the exit is a mileage of the exit position. If some exits are close together or in the same mile, it will use the English alphabet is a breakdown, such as Exit Exit Exit 8A, 8B, 8C, etc.Note that all of the conditions above, there are exceptions, but as a minority.2. United States Highway United States Interstate Highway road networks, as well as the Interstate Highway and traffic lights, but there may be no need to 4-lane. Generally, the Speed Limit is lower than the Interstate Highway. United States Highway numbering is as follows: - ถนนสายหลักมีเลขตั้งแต่ 1-101 โดยเลขคี่เป็นสายที่วิ่งเหนือ-ใต้ ส่วนเลขคู่เป็นสายที่วิ่งตะวันออก-ตะวันตก การนับเลขคี่จะนับจากฝั่งตะวันออก (Atlantic) ไปยังฝั่งตะวันตก (Pacific) ส่วนเลขคู่จะนับจากด้านเหนือไปยังด้านใต้ ถนนหลักของถนนเหล่านี้ (Primary routes) ลงท้ายด้วย 0 หรือ 1 เช่น US-1 เป็นถนนที่วิ่งเหนือ-ใต้ฝั่งแอตแลนติกจากรัฐเมน (Maine) ไปยังรัฐฟลอริดา (Florida) US-101 เป็นถนนที่วิ่งเหนือ-ใต้ฝั่งแคลิฟอร์เนีย (แปซิฟิก) US-2 เป็นถนนที่วิ่งตะวันออก-ตะวันตกด้านเหนือของสหรัฐฯ (Maine-New York และ Michigan-Washington) US-90 เป็นถนนที่วิ่งตะวันออก-ตะวันตกด้านใต้ของสหรัฐฯ (Florida-Mississippi-Texas) เป็นต้น US Highway บางสายไม่ต่อเนื่องกันเนื่องจากต่อมามีการก่อสร้าง Interstate Highway ในกรณีนี้ United States Highway ได้รับการยกฐานะเป็น Interstate แทน -Other road numbers up to 2 digits is classified as Main routes such as US-4 etc. -Three-digit roads (except US-101) is a secondary road of United States Highway by a number that is not the main road number is mother as a secondary road US-2 US-202 US-322 is a secondary road of US-22 etc. But often, these numbers are not assigned directly to guidelines.3. State Route State Street is the Route of each of the basic State. Connect your cities. Each State uses different symbols to It is a lower quality road, Interstate Highway and U.S. Highway. Sometimes the road we may have run a collection fee to use the road. The majority called most of the Turnpike roads such as Interstate Highway, these will be the Pennsylvania Turnpike is in the State of Pennsylvania, I-76 Everett Turnpike is part of the I-93 in the State of New Hampshire, etc. Sometimes a State Route, such as the Spaulding Turnpike is part of the NH-16 in the State of New Hampshire, but sometimes a special Street Parkway and roads cut up to use as a Turnpike in particular. Examples of these types of road, Palisade Interstate Parkway is in the State of New York and New Je.
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