Fitch Ratings has assigned an ‘AAA’ rating to the San Diego County Regional Transportation Commission’s $350 million sales tax revenue bonds, 2014 series A.

The bond proceeds will be used for various transportation improvements and to pay the costs of the bonds, Fitch said.

The bonds will be sold via negotiation the week of Aug. 18. The final maturity date on the 2014 series A bonds is April 1, 2048, according to Fitch.

The rating outlook is stable.

For more information about the bonds, click here.