Nittayo Road
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|---|---|
| ทางหลวงแผ่นดินหมายเลข 22 | |
| Nittayo Road ถนนนิตโย | |
| Route information | |
| Length | 240 km (150 mi) |
| Status | Opened |
| Existed | before 1937–present |
| Major junctions | |
| From | Udon Thani |
| To | Nakhon Phanom |
| Location | |
| Country | Thailand |
| Highway system | |
Nittayo Road (Thai: ถนนนิตโย), designated as Highway 22 (Udon Thani–Nakhon Phanom route, Thai: ทางหลวงแผ่นดินหมายเลข 22) is a highway in North Eastern Thailand, connecting Udon Thani province, Sakon Nakhon province and Nakhon Phanom province, covering a distance of 240 Kilometers.
History
Originally, it was named "Udon Thani-That Na Weng-Nakhon Phanom" (Thai: ทางหลวงแผ่นดินสายอุดรธานี-ธาตุนาเวง-นครพนม) it was given the name "Nittayo Road" in 10 December, 1950 during the time when Plaek Phibunsongkhram was the prime minister of Thailand. It was given name to honour Sophon Nittayo, a former chief highway engineer of Chum Phae District.
References
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| Controlled-access highways |
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Italics indicate routes under construction. Crossed out names indicate former highways. | |||||||||
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