Transportation Code §256.053

(a) The commissioners court of a county may order and conduct an election to repeal a tax adopted under Section 256.052 in the manner provided for an election to adopt the tax. (b) A petition requesting an election to repeal the tax may not be granted on or before the second anniversary of the date of the election at which the tax is adopted. (c) The commissioners court may grant a petition calling for an election to repeal the tax only if satisfactory proof is presented to the court that: (1) there is great dissatisfaction with the tax; and (2) it is probable that a majority of the residents of the county, political subdivision, or defined district who are qualified to vote for the tax would vote for repeal of the tax.