A small portion of the district extends into Collin County.

Plano was the first city in Collin County to adopt a master plan for its road system.

The district extends into portions of northern Collin County.

She was the first senator from Collin County to serve in that position in more than forty years.

Collin County is a Republican stronghold in presidential and congressional elections.

The road's numerical designation previously was assigned to a former highway in Collin County.

Therefore, maintenance and other services of the former city are now the responsibility of Collin County.

It was the only school district in Collin County to receive that designation.

Collin County, including several suburban and rural communities outside Dallas, has a population of about 500,000.

This park is owned and maintained by Collin County.