Legislation: batch D — NY OH OK OR PA RI SC SD TX UT

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/sd/2020/sb-21.md

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+---
+type: "Bill"
+title: "authorize temporary variable speed limits on state highways under certain circumstances."
+description: "authorize temporary variable speed limits on state highways under certain circumstances."
+jurisdiction: "us/states/sd"
+legislature: "South Dakota Legislature"
+session: "2020"
+identifier: "SB 21"
+citation: "South Dakota SB 21 (2020)"
+classification: ["bill"]
+subjects: ["Executive/Judiciary Request", "Motor Vehicles", "Speed Limits"]
+status: "enacted"
+primary_sponsors: []
+version_count: 2
+action_count: 15
+vote_count: 4
+first_action: "2020-01-14"
+last_action: "2020-03-30"
+source: "openstates"
+source_identifier: "ocd-bill/2aa2b625-766d-43f5-836e-daa8439e957d"
+source_url: "https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?Bill=21&Session=2020"
+source_hash: "d0fc9493310712e2b5a0940db6fead103af1d623b4f75f1a3a05ce0b780caacc"
+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-sd"]
+---
+
+# South Dakota SB 21 (2020) — authorize temporary variable speed limits on state highways under certain circumstances.
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Introduced** (filed) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB21P.html&Session=2020&Version=Introduced&Bill=21)
+2. **Enrolled** (enrolled) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB21ENR.html&Session=2020&Version=Enrolled&Bill=21)
+
+## Votes
+
+- Do Pass - 2020 — **55–10** (pass) · lower
+- Do Pass - 2020 — **12–0** (pass) · lower
+- Do Pass - 2020 — **6–1** (pass) · upper
+- Do Pass - 2020 — **20–14** (pass) · upper
+
+## Sponsors
+
+- Transportation — primary (organization)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2020-01-14** First read in Senate and referred to Senate Transportation S.J. 11 `introduction, reading-1, referral-committee`
+- **2020-01-24** Scheduled for hearing
+- **2020-01-24** Transportation Do Pass, Passed, YEAS 6, NAYS 1. `committee-passage`
+- **2020-01-27** Fiscal Note Requested, Passed S.J. 93
+- **2020-02-18** Senate Do Pass, Passed, YEAS 20, NAYS 14. S.J. 241 `passage`
+- **2020-02-19** First Reading House H.J. 315
+- **2020-02-26** Referred to House Transportation H.J. 411 `referral-committee`
+- **2020-03-03** Scheduled for hearing
+- **2020-03-03** Transportation Do Pass, Passed, YEAS 12, NAYS 0. `committee-passage`
+- **2020-03-04** House of Representatives Deferred to another day, Passed H.J. 477
+- **2020-03-05** House of Representatives Do Pass, Passed, YEAS 55, NAYS 10. H.J. 495 `passage`
+- **2020-03-09** Signed by the President S.J. 470
+- **2020-03-11** Delivered to the Governor on March 11, 2020 S.J. 488 `executive-receipt`
+- **2020-03-11** Signed by the Speaker H.J. 583
+- **2020-03-30** Signed by the Governor on March 23, 2020 S.J. 558 `executive-signature`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2aa2b625-766d-43f5-836e-daa8439e957d`. Confidence: reported (aggregated from official South Dakota legislature records).
+