In this chapter, the word

utilities

, as defined in the rules, applies to all private as well as public lines, including electric power transmission, electrical power service, telephone, television coaxial cable, water, gas, petroleum products, chemicals, steam, waste water and similar lines. These utilities may involve underground, surface appurtenances or overhead facilities either singularly or in combination.

The Utility Installation Request (Form ) gives TxDOT official notice that a utility installation on highway right of way is proposed:

The form specifies the location and conditions under which TxDOT approves the utility installation. explains the proper use of this form.