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ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]
English: The chart of the International Phonetic Alphabet (IPA) as of 2020, with the phonetic symbols rendered in the TeX TIPA Roman font, as selected by the Alphabet, Charts and Fonts committee of the International Phonetic Association.
As of 2022, about one quarter of all vehicle miles driven in the country used the Interstate Highway System, [6] which has a total length of 48,890 miles (78,680 km). [2] In 2022 and 2023, the number of fatalities on the Interstate Highway System amounted to more than 5,000 people annually, with nearly 5,600 fatalities in 2022. [7]
In addition to the 48 contiguous states, Interstate Highways are found in Hawaii, Alaska, and Puerto Rico. The Federal Highway Administration funds four routes in Alaska and three routes in Puerto Rico under the same program as the rest of the Interstate Highway System. However, these routes are not required to meet the same standards as the ...
Existing bridges can remain part of the Interstate system if they have at least 12-foot-wide (3.7 m) lanes with 3.5-foot (1.1 m) shoulder on the left and a 10-foot (3.0 m) shoulder on the right, except that longer bridges can have 3.5 feet (1.1 m) shoulders on both sides. For all bridges, the railing should be upgraded if necessary.
In 1918, Wisconsin became the first state to number its highways in the field followed by Michigan the following year. [1] In 1926 the American Association of State Highway Officials (AASHO) established and numbered interstate routes (United States Numbered Highways), selecting the best roads in each state that could be connected to provide a national network of federal highways.
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Interstate 16; Interstate 17; Interstate 19; Interstate 20;
There are 22 Interstate Highways—9 primary and 13 auxiliary—that exist entirely or partially in the U.S. state of North Carolina.As of January 2020, the state had a total of 1,410 miles (2,270 km) of Interstates and 70 miles (110 km) of Interstate business routes, all maintained by the North Carolina Department of Transportation (NCDOT).