Northern route

Arkansas Highway 303 is a state highway of 18.7 miles (30.1 km) in Washington

Washington County, Arkansas

Washington County is a county located in the northwest part of the U.S. state of Arkansas. As of 2010, the population was 203,065. The county seat is Fayetteville. Washington County is Arkansas's 17th county, formed on October 17, 1828, and named for George Washington, the first President of the...

 and Benton Counties

Benton County, Arkansas

Benton County is a county located in the U.S. state of Arkansas. As of the 2000 census, the population was 153,406. The U.S. Census Bureau 2010 population is 221,339. The county seat is Bentonville. Benton County was formed on 30 September 1836 and was named after Thomas Hart Benton, a U.S...

.

Route description

AR 303 begins at AR 45

Arkansas Highway 45

Arkansas Highway 45 is a designation for two state highways in northwest Arkansas. The southern segment of runs north in Sebastian County from AR 96 into Fort Smith. A northern segment of runs from Dutch Mills through Fayetteville to Clifty...

 near Mayfield

Mayfield, Arkansas

Mayfield is an unincorporated community in Goshen Township, Washington County, Arkansas, United States. It is located at the intersection of Highway 303 and Highway 45....

 and runs north to meet US 412 west of Spring Valley. The route then runs north towards War Eagle

War Eagle, Arkansas

War Eagle, Arkansas is a community in Benton County, Arkansas, United States. It is the location of War Eagle Bridge, which carries CR 98 over War Eagle Creek and is listed on the National Register of Historic Places. It is also home to the 1832 War Eagle Mill which is still in operation as an...

 and becomes Benton County

Benton County, Arkansas

Benton County is a county located in the U.S. state of Arkansas. As of the 2000 census, the population was 153,406. The U.S. Census Bureau 2010 population is 221,339. The county seat is Bentonville. Benton County was formed on 30 September 1836 and was named after Thomas Hart Benton, a U.S...

 Road 98 which eventually connects to AR 12.

Approximately 2+1/2 mi west, AR 303 begins again angling northeast for a distance of 2 miles (3.2 km) before terminating at Rocky Branch Road near Beaver Lake

Beaver Lake (Arkansas)

Beaver Lake is a man-made reservoir in the Ozark Mountains of Northwest Arkansas and is formed by a dam across the White River. Beaver Lake has some of natural shoreline...

.

Southern route

Arkansas Highway 303 is a brief state highway of 1.9 miles (3.1 km) in Madison County

Madison County, Arkansas

Madison County is a county located in the U.S. state of Arkansas. As of 2010, the population was 15,717. The county seat is Huntsville. The county was formed on September 30, 1836, and named for James Madison, President of the United States...

Route description

AR 303 begins at AR 74

Arkansas Highway 74

Arkansas Highway 74 is a series of state highways of total in Northwest and north central Arkansas and comprises eight separate sections....

 east of Wesley

Wesley, Arkansas

Wesley is an unincorporated community in Madison County, Arkansas, United States. Wesley is located at the junction of Arkansas Highway 74 and Arkansas Highway 295 west-southwest of Huntsville. Wesley has a post office with ZIP code 72773....

 and runs 2 miles (3.2 km) south ending at Madison County

Madison County, Arkansas

Madison County is a county located in the U.S. state of Arkansas. As of 2010, the population was 15,717. The county seat is Huntsville. The county was formed on September 30, 1836, and named for James Madison, President of the United States...

Road 192.