State Highway 108 (abbreviated SH-108) is a minor state highway in Payne, Noble, and Pawnee counties in north-central Oklahoma. It runs for 24.1 miles (38.8 km), from SH-33 south of Ripley to U.S. Route 64 (US-64) in Lela. It has no lettered spurs.
SH-108 was added to the state highway system on July 11, 1955. It had the same extent it does today; only slight modifications have been made to its alignment due to the straightening of connecting highways.
Route description
SH-108 begins in Payne County approximately halfway between Perkins and Cushing at SH-33. From here, the highway runs north on Ripley Road. About two miles (3.2 km) into its journey,[3] the road passes through the town of Ripley (pop. 444).[4] North of Ripley, it crosses the Cimarron River. Seven miles (11 km) later, the highway intersects SH-51, and SH-108 turns west along it, forming a one-mile (1.6 km) concurrency.[4] SH-108 then continues north on Rose Road.[3]
Approximately eight miles (13 km) north of SH-51, SH-108 enters Glencoe (pop. 583).[4] The highway then crosses the Cimarron Turnpike on a grade separation with no interchange. The highway shifts to the east about one mile (1.6 km) north of Glencoe.[3] Upon exiting Payne County, the highway straddles the Noble–Pawnee County line all the way to its terminus at US-64 in the unincorporated settlement of Lela.[3]
As of 2012, the highest average annual daily traffic (AADT) count along SH-108 was 5,900, measured along the concurrency with SH-51. The highest traffic volume on SH-108 alone was an AADT of 1,900, measured north of SH-51. The lowest AADT measured was 1,500, which occurred both in Glencoe and south of Ripley.[5] No part of SH-108 has been designated as part of the National Highway System.[6]
History
SH-108 was first designated on July 11, 1955.[2] The highway was mostly gravel at that time; only the portions from the southern terminus to Ripley and the concurrency with SH-51 were paved.[7] In 1960, the section of SH-108 between SH-51 and Glencoe was paved.[8] In 1963, the paved segment extended north of Glencoe, to the highway's northern terminus.[9]
The first change to the highway's alignment occurred on November 1, 1966, when SH-51 was straightened between Stillwater and Yale; SH-108 was realigned to continue to concur with SH-51.[2] Around the same time, the remainder of SH-108 was paved.[a] The final change to SH-108 was made on June 4, 1974, when a straightening of SH-33 resulted in a slight extension of SH-108 to continue to meet the new highway. No changes have been made since.[2]
Junction list
| County | Location | mi[1] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Payne | | 0.0 | 0.0 |  SH-33 | Southern terminus |
| | 9.1 | 14.6 |  SH-51 | Eastern end of SH-51 concurrency | |
| | 10.1 | 16.3 | SH-51 | Western end of SH-51 concurrency | |
| Noble–Pawnee county line | Lela | 24.1 | 38.8 |  US 64 | Northern terminus |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| |||||
Notes
- ^ The 1968 official state map is the first to show the SH-51 realignment, and also shows the connecting segment of SH-108 as paved for the first time.
References
- ^ a b Google (2014-02-23). "Oklahoma State Highway 108" (Map). Google Maps. Google. Retrieved 2014-02-23.
- ^ a b c d Oklahoma Department of Transportation. "Memorial Dedication and Revision History, SH 108". Oklahoma Department of Transportation. Retrieved 2010-07-31.
- ^ a b c d Oklahoma Atlas and Gazetteer (Map). 1:200,000. DeLorme. 2006. p. 33.
- ^ a b c Official State Map (PDF) (Map) (2009–10 ed.). Oklahoma Department of Transportation. Retrieved 2010-08-01.
- ^ Average Annual Daily Traffic, Oklahoma Highway System, Payne County (PDF) (Map). Cartography by ODOT. Oklahoma Department of Transportation. 2012. Retrieved 2014-02-28.
- ^ "National Highway System: Tulsa, OK" (PDF) (Map). National Highway System. Federal Highway Administration. 2012-10-01. Retrieved 2014-02-28.
- ^ Oklahoma's Highways 1956 (PDF) (Map). Oklahoma Department of Highways. Retrieved 2010-08-01.
- ^ Oklahoma 1961 Road Map (PDF) (Map). Oklahoma Department of Highways. Retrieved 2010-08-01.
- ^ Oklahoma-1964 (PDF) (Map). Oklahoma Department of Highways. Retrieved 2010-08-01.