page_title: Oklahoma State Highway 66
section_title: Western terminus and Oklahoma City area
hierarchical_section_title: Oklahoma State Highway 66 / Route description / Western terminus and Oklahoma City area
caption_attribution_description: Route 66 bridge over the North Canadian River just upstream of Lake Overholser in Oklahoma City, Oklahoma.
context_page_description: State Highway 66 is a 192.7-mile state highway in the U.S. state of Oklahoma, beginning at U.S. Highway 81 in El Reno and ending at U.S. Highway 60 near White Oak. The highway was designated in 1985 as a replacement for the decommissioned US-66. Although most of the highway follows Historic Route 66, the highway follows US-66's final alignment, joining Interstate 44 through Tulsa and Oklahoma City, while older versions of the route follow various city streets through both cities.
  The highway has retained its importance for most of its length due to its paralleling Interstate 44 which between Missouri and Oklahoma City is a toll road.
  SH-66 currently has one spur route, designated SH-66B, in Wellston.
context_section_description: State Highway 66 begins at Business I-40 in El Reno (another old Route 66 segment), concurrent at this point with US-81. From this intersection, the highway heads due east. The highway briefly passes through a rural area after leaving El Reno, before transitioning into the Oklahoma City suburb of Yukon. In Yukon, the route runs along Main Street, and has a short concurrency with SH-4. SH-66 continues east, passing into Oklahoma City, where it becomes N.W. 39th Expressway. SH-66 has an interchange with the Kilpatrick Turnpike on the far west edge of the city. The highway passes just to the north of Lake Overholser. Near where the road crosses over the North Canadian River, the inlet to the lake, it crosses from Canadian County into Oklahoma County.
  N.W. 39th Expressway, still carrying SH-66, forms the main street of both Bethany and Warr Acres, two enclave suburbs of Oklahoma City. The street passes just to the south of Wiley Post Airport and provides access to Southern Nazarene University. After leaving Warr Acres, the highway re-enters Oklahoma City. SH-66 leaves N.W. 39th Expressway at an interchange with I-44 and SH-3/SH-74 (the Lake Hefner Parkway). SH-66 begins a concurrency with eastbound I-44, and for the remainder of its length, it will stay close to the interstate.
  SH-66 is unsigned through its time on the Oklahoma City freeway system. I-44, while concurrent with SH-66, runs along the north side of Oklahoma City, passing just south of Penn Square Mall, and meets Interstate 235 at a cloverleaf interchange at its northern terminus (north of the interchange, US-77 continues on as a freeway, the Broadway Extension). I-44 and SH-66 begin a concurrency with I-35 near Remington Park. The two interstates and the state highway head north through the northeast part of the city. At Hefner Road, the routes pass near the Frontier City amusement park. The highways then encounter an interchange which is the eastern terminus of the Kilpatrick Turnpike. This interchange is also where I-44 splits off to form the Turner Turnpike.
  I-35 and SH-66 leave Oklahoma City and enter the suburb of Edmond. On the north side of town, SH-66 exits the interstate, while US-77 joins it. SH-66 continues east out of town, providing access to Arcadia Lake. The highway then passes through the town of Arcadia, home of the Round Barn, a Route 66 landmark. The highway then serves Luther before exiting Oklahoma County.
caption: Former US-66 bridge over the North Canadian River in Oklahoma City
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