The highway overlaps the other two routes for four miles (6.4 km), going north, before splitting off and heading east again through Granite and Lone Wolf.
Around Fort Cobb, Oklahoma, the highway begins nine miles (14 km) of travel to the south.
The section of road east of US-62/277, recently upgraded to a four-lane divided highway, provides a link from the H.E.
[5] Through Norman, Highway 9 serves as a major artery providing access to the University of Oklahoma campus (in particular, the Lloyd Noble Center).
[5] SH-9 continues eastward, passing Lake Thunderbird State Park, before reaching the towns of Tecumseh and Seminole.
[5] Officially designated on August 24, 1924,[4] the original route encompassed all of current SH-9 west of Blanchard.
Bypassing Norman, SH-9 ran north to Oklahoma City before going east through Harrah, Meeker, Prague, Henryetta, and Checotah.
Upon the creation of the United States Numbered Routes system in 1926, the section between Oklahoma City and Warner was overlaid with US-266.
[4] Part of the newly commissioned section was rescinded on 1937-10-19,[4] when a small segment just east of SH-48 and the entire Hughes County portion were dropped from the highway.
[4] After the I-40 bridge disaster, parts of SH-9 in eastern Oklahoma served as an emergency detour for eastbound I-40 traffic.
In addition, the section of SH-9 between US-59 and the Arkansas state line were used for eastbound traffic for commercial trucks.
Norman's proposal includes a grass median and a separate bike path along the north side of the right-of-way, running from 24th Avenue S.E.
The city then proposed, with a narrower raised concrete median and separate bike path.
The new design is expected to "accommodate large volumes of turning traffic by shifting traffic to the left side of a divided roadway through a series of coordinated signals for safer and more efficient left turns.