--- type: "Bill" title: "HIGHWAYS: Designates certain portions of Louisiana Highways in Calcasieu and St. Tammany parishes" description: "HIGHWAYS: Designates certain portions of Louisiana Highways in Calcasieu and St. Tammany parishes" jurisdiction: "us/states/la" legislature: "Louisiana Legislature" session: "2023" identifier: "HB 18" citation: "Louisiana HB 18 (2023)" classification: ["bill"] subjects: [] status: "enacted" primary_sponsors: ["Phillip Tarver"] version_count: 8 action_count: 22 vote_count: 3 first_action: "2023-02-06" last_action: "2023-06-07" source: "openstates" source_identifier: "ocd-bill/c1a88650-239b-4309-b524-4f012f85be2e" source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=243835" source_hash: "251c206fd60be2f355338356f26eec4b43a15c95e1021da7adb18c9605bea0fd" vintage: "2026-07-01" source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump" retrieved_at: "2026-07-06" confidence: "reported" tags: ["legislation", "bill", "us-la"] --- # Louisiana HB 18 (2023) — HIGHWAYS: Designates certain portions of Louisiana Highways in Calcasieu and St. Tammany parishes ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **HB18 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1299424) 2. **HB18 Act 132** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1332100) 3. **HB18 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1310932) 4. **House Committee Amendment, #1001, THPW, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1310787) 5. **House Committee Amendment, #1014, THPW, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1310861) 6. **Senate Committee Amendment, #1929, THPW, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1323661) 7. **Senate Committee Amendment, #573, THPW, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1312714) 8. **HB18 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1328220) ## Votes - CONCUR IN SENATE AMENDMENTS (#782) — **94–0** (pass) · lower - FINAL PASSAGE (#10) — **96–0** (pass) · lower - FINAL PASSAGE (#474) — **34–0** (pass) · upper ## Sponsors - Phillip Tarver — primary (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2023-06-07** Effective date: 08/01/2023. - **2023-06-07** Signed by the Governor. Becomes Act No. 132. `became-law, executive-signature` - **2023-06-02** Sent to the Governor for executive approval. `executive-receipt` - **2023-06-02** Signed by the President of the Senate. - **2023-06-01** Enrolled and signed by the Speaker of the House. `enrolled` - **2023-05-31** Read by title, roll called, yeas 94, nays 0, Senate amendments concurred in. - **2023-05-30** Scheduled for concurrence on 05/31/2023. - **2023-05-30** Received from the Senate with amendments. `receipt` - **2023-05-26** Rules suspended. The amended bill was read by title, passed by a vote of 34 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage` - **2023-05-23** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage. `reading-3` - **2023-05-22** Committee amendments read and adopted. Read by title and referred to the Legislative Bureau. - **2023-05-18** Reported with amendments. `committee-passage-favorable` - **2023-04-18** Read second time by title and referred to the Committee on Transportation, Highways and Public Works. `reading-2, referral-committee` - **2023-04-17** Received in the Senate. Read first time by title and placed on the Calendar for a second reading. `reading-1` - **2023-04-17** Read third time by title, roll called on final passage, yeas 96, nays 0. Finally passed, title adopted, ordered to the Senate. `passage` - **2023-04-13** Scheduled for floor debate on 04/17/2023. - **2023-04-12** Read by title, amended, ordered engrossed, passed to 3rd reading. `reading-3` - **2023-04-11** Reported with amendments (13-0). `committee-passage-favorable` - **2023-04-10** Read by title, under the rules, referred to the Committee on Transportation, Highways and Public Works. `referral-committee` - **2023-02-17** First appeared in the Interim Calendar on 2/17/2023. - **2023-02-06** Under the rules, provisionally referred to the Committee on Transportation, Highways and Public Works. `referral-committee` - **2023-02-06** Prefiled. `filing` ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c1a88650-239b-4309-b524-4f012f85be2e`. Confidence: reported (aggregated from official Louisiana legislature records).