Selma to Montgomery National Historic Trail — NPS Viewshed Compatible-Use Advisory (AL)
Tracked preemption from the Alabama overlay bundle.
Overview
← All state preemptionsAlabama overlay roll-upAlabama zoning wikiAlabama building codesFederal overlaysGlossaryFederal-conflict: Not flagged
Effective
1996-11-12
Sunset
—
Authority
federal
Scope
state:AL
Other Alabama preemptions
Alabama Short-Term Rentals — No State Preemption (April 2026)Alabama Density / ADU / Inclusionary Zoning / Design Review — No State PreemptionAlabama Black Belt National Heritage Area — Non-Regulatory Heritage DesignationAlabama Land Recycling & Economic Redevelopment Act — Voluntary Brownfield CleanupMobile Bay National Estuary Program — CCMP Coordination (Non-Regulatory)Alabama Group-Home Preemption — Multi-Family District InclusionAlabama Manufactured Housing — No Zoning Preemption (Title 40/24 govern taxation, installation)Alabama Historic Preservation — Title 11 Chapter 68 Local Authority Enabling
Trigger predicate
When this evaluates true for a parcel, the law's preempted fields take precedence over base zoning.
city.on_selma_to_montgomery_national_historic_trail == TruePreempted fields
1 field on the base district schema is rewritten when the trigger fires.
| Field | Op | Value | Note |
|---|---|---|---|
base_districts[*].nht_corridor_viewshed_advisory | override | nps_consultation_recommended | NPS National Trails System Act §3(a)(3) (16 U.S.C. §1242(a)(3)) authorizes federal NHT designation along a 54-mile US-80 corridor between Selma and Montgomery. Federal designation does not directly preempt local zoning, but NPS administers federal certification of cooperative sites and the Selma-to-Montgomery byway. |
Citation
Authority source
Selma to Montgomery National Historic Trail designation in P.L. 104-333 (Omnibus Parks and Public Lands Management Act of 1996, §602); 16 U.S.C. §1244 (National Trails System Act); 23 U.S.C. §162 (National Scenic Byway / All-American Road)
§ P.L. 104-333 §602; 16 U.S.C. §1244; 23 U.S.C. §162
Research notes
Federal NHT designation is non-regulatory at the local-zoning level — NPS does not impose viewshed controls. Cities along US-80 (Selma, Lowndesboro, Hayneville, Mosses, White Hall, Montgomery) may voluntarily adopt corridor compatibility overlays preserving the Edmund Pettus Bridge, Brown Chapel AME, City of St. Jude, and other trail-related sites. Trail is also a designated National Scenic Byway / All-American Road (FHWA). Coordinated with US Civil Rights Trail (state tourism branding) and the Alabama Civil Rights Trail.