State Highway 56 is a state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 that runs through Grayson

Grayson County, Texas

As of the census of 2000, there were 110,595 people, 42,849 households, and 30,208 families residing in the county. The population density was 118 people per square mile . There were 48,315 housing units at an average density of 52 per square mile...

 and Fannin

Fannin County, Texas

As of the census of 2000, there were 31,242 people, 11,105 households, and 7,984 families residing in the county. The population density was 35 people per square mile . There were 12,887 housing units at an average density of 14 per square mile...

 Counties in North Central Texas. This highway was designated in 1974 to replace U.S. Highway 82 when it was rerouted north of Whitesboro

Whitesboro, Texas

Whitesboro is a city in Grayson County, Texas, United States. The population was 3,760 at the 2000 census. Whitesboro is named for its founder, Ambrose B...

 and Sherman

Sherman, Texas

Sherman is a city in and the county seat of Grayson County, Texas, United States. The city's estimated population as of 2009 was 38,407. It is also one of two principal cities in the Sherman-Denison Metropolitan Statistical Area.-History:...

. SH 56 has been extended further since then as the US 82 bypass continued to be extended north of Bonham

Bonham, Texas

Bonham is a city in Fannin County, Texas, United States. The population was 10,127 at the 2010 census. It is the county seat of Fannin County. James Bonham sought the aid of James Fannin at the Battle of the Alamo....

 and Honey Grove

Honey Grove, Texas

Honey Grove is a city in Fannin County, Texas, United States. Honey Grove is regarded as "The Sweetest Town in Texas." The population was 1,746 at the 2000 census....

.

Through Sherman, SH 56 operates on a pair of one-way streets, Lamar (eastbound) and Houston (westbound).

Previous routes

SH 56 was originally designated by 1926 through the northwestern Panhandle, coinciding with the future route of U.S. Highway 54. Construction was completed by 1938, when the SH 56 designation was dropped in favor of US 54.

Counties and junctions

County	Location	Junction	Notes
Grayson Grayson County, Texas As of the census of 2000, there were 110,595 people, 42,849 households, and 30,208 families residing in the county. The population density was 118 people per square mile . There were 48,315 housing units at an average density of 52 per square mile...	Whitesboro Whitesboro, Texas Whitesboro is a city in Grayson County, Texas, United States. The population was 3,760 at the 2000 census. Whitesboro is named for its founder, Ambrose B...
			TX 56 and US 377 do not physically connect; are instead connected via Texas Spur 129
			As of 2009 this intersection is being modified to a controlled-access one as part of the extension of State Highway 289
	Sherman Sherman, Texas Sherman is a city in and the county seat of Grayson County, Texas, United States. The city's estimated population as of 2009 was 38,407. It is also one of two principal cities in the Sherman-Denison Metropolitan Statistical Area.-History:...
	Bells Bells, Texas Bells is a town in Grayson County, Texas, United States. The population was 1,190 at the 2000 census. It is part of the Sherman–Denison Metropolitan Statistical Area.-Geography:Bells is located at ....
Fannin Fannin County, Texas As of the census of 2000, there were 31,242 people, 11,105 households, and 7,984 families residing in the county. The population density was 35 people per square mile . There were 12,887 housing units at an average density of 14 per square mile...	Bonham Bonham, Texas Bonham is a city in Fannin County, Texas, United States. The population was 10,127 at the 2010 census. It is the county seat of Fannin County. James Bonham sought the aid of James Fannin at the Battle of the Alamo....
	Honey Grove Honey Grove, Texas Honey Grove is a city in Fannin County, Texas, United States. Honey Grove is regarded as "The Sweetest Town in Texas." The population was 1,746 at the 2000 census....