The road includes sections in north Austin, Cedar Park, and Leander.

Motorists driving without a toll tag will receive a bill in the mail payable within 30 days.

From that location, the toll road runs to the north through an area composed of residential subdivisions.

[6] As initial traffic was higher than expected, the toll road was extended 5 miles to the north.

[7] The 6.6 mile Phase III extension from Hero Way to north of SH 29 in Liberty Hill has been approved.