CACrown ArchivesThe cinema collection
Menu
Research dossier · Places & Architecture

California county routes in zone A

California County Routes in zone A

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 18, 2026
Entity authorityQ795506 ↗
Source-derived summary

There are 28 routes assigned to the "A" zone of the California Route Marker Program, which designates county routes in California. The "A" zone includes county highways in Lassen, Plumas, Shasta, Siskiyou, and Tehama counties.

A1

County Route A1 (CR A1), more commonly known as Route of the Olympic Torch, is a 35.3-mile (56.8 km) county route in Lassen County, California, United States. It gained its name as a result of being used for a portion of the 1984 Summer Olympics torch relay.

County Route A1 runs from Route 36 near Susanville to Route 139 near Eagle Lake. It was originally named Eagle Lake Road.

This route still exists as a bypass from Susanville for north–south motorists, but it is no longer signed as such.

Major junctions

The entire route is in Lassen County.

A2

County Route A2 (CR A2), known entirely as Susanville Road, is a county route in Lassen County, California, United States, connecting SR 299 to SR 139.

Major junctions

The entire route is in Lassen County.

Editorial summary

The public source identifies “California county routes in zone A” as california County Routes in zone A. This brief keeps that definition visible, then builds a research path around California, county and routes.

Editorial reviewMost useful as a place-based finding aid connecting the present description to earlier jurisdictions, maps and built evidence. The current lead gives the account dated anchors—1984—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with California, county and routes providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “California county routes in zone A”, the useful work is to connect “california County Routes in zone A” to the records capable of establishing context and consequence.

Evidence profile

The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Jan 18, 2026. The linked authority identifier is Q795506. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1984.

Critical limits

Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “California county routes in zone A”, its source revision and the description used here.
  2. Expand the search: follow California county routes in zone A primary sources, California county routes in zone A archive and California research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “California county routes in zone A”?
  2. What physical evidence or contemporary plan supports the description?
  3. Which earlier names or jurisdictions may reveal additional records?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “California county routes in zone A” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.