---
title: "Full current-conditions report for a California region."
method: GET
path: "/v1/tools/check_region"
---

# Full current-conditions report for a California region.

`GET /v1/tools/check_region`

## Request

- Base URL: `https://mcp.commutescout.com`
- URL: `https://mcp.commutescout.com/v1/tools/check_region`
- Auth: one of:
  - none
  - API key in header `X-API-Key`
  - HTTP bearer

Full current-conditions report for a California region.

    Use this for area-scale questions ("how is the Bay Area?", "what's
    happening in SoCal?") instead of stitching together point queries. It
    sweeps every source over the whole region at once: CHP incidents
    (severity-sorted, worst first), lane closures in place (full closures
    called out), chain controls, and wildfires inside the region.

    Regions: Bay Area, Sacramento metro, Tahoe/Sierra, Central Valley,
    Southern California, San Diego, Central Coast, North State. An
    unrecognized region name returns the list.

    Large regions are capped to the most severe items; the counts are
    always exact and the response says when a list was truncated.
    Freshness: CHP ~1/min fetched live, everything else 5-minute cache.

## Query parameters

- `region` string, required

## Response `200`

The tool's result.

- object

## Other responses

- `400`: A parameter is missing, unknown or malformed.
- `401`: The API key is unknown or revoked.
- `429`: Slow down; Retry-After says how long.

---

[API](https://skmtc.dev/commutescout/apis/commutescout-api.md) · [All operations](https://skmtc.dev/commutescout/apis/commutescout-api/llms.txt) · [OpenAPI document](https://skmtc.dev/commutescout/apis/commutescout-api/revisions/70427a609edf?raw)