State Route 306 is a north–south state highway in northeastern Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, running from its southern terminus at SR 43 in Aurora to its northern terminus at SR 283 in Mentor

Mentor, Ohio

As of the census of 2000, there were 50,278 people, 18,797 households, and 14,229 families residing in the city. The population density was 1,878.2 people per square mile . There were 19,301 housing units at an average density of 721.0 per square mile...

. Most of the road from Aurora north to Kirtland

Kirtland, Ohio

Kirtland is a city in Lake County, Ohio, USA. The population was 6,670 at the 2000 census. Kirtland is famous for being the early headquarters of the Latter Day Saint movement.-Origins of Kirtland:...

 is part of the former Chillicothe Turnpike

Chillicothe Turnpike

The Chillicothe Turnpike was an early highway that led from Painesville, Ohio east of Cleveland down to the old Ohio capital of Chillicothe. It was established in 1802 by Benjamin Tappan. Remnants of road still remain named Chillicothe Road on portions of State Routes 615, 306, and 43 through...

 and is known as Chillicothe Road. The Kirtland Temple

Kirtland Temple

The Kirtland Temple is a National Historic Landmark in Kirtland, Ohio, USA, on the eastern edge of the Cleveland metropolitan area. Owned and operated by the Community of Christ, formerly the Reorganized Church of Jesus Christ of Latter Day Saints , the house of worship was the first temple to be...

, the first temple built by The Church of Jesus Christ of Latter-day Saints (Mormons), is located on Route 306 in central Kirtland.

Aurora-Hudson Road (or Hudson-Aurora Road) was part of SR 306 from 1937–1946, when at its greatest extent, stretched from Mentor-on-the-Lake to Hudson.