DIGEST The digest printed below was prepared by House Legislative Services. It constitutes no part of the legislative instrument. The keyword, one-liner, abstract, and digest do not constitute part of the law or proof or indicia of legislative intent. [R.S. 1:13(B) and 24:177(E)] Schroder HB No. 450 Designates the portion of La. Highway 21 in St. Tammany Parish, from the Little Tchefuncte River bridge traveling south to the intersection of I-12, as "South Tyler Street". Directs the Dept. of Transportation and Development to erect and maintain appropriate signage reflecting the highway designation.