---
title: "Retrieve speed restriction data for a line on a given date."
method: GET
path: "/api/speed_restrictions"
tags: ["/api"]
---

# Retrieve speed restriction data for a line on a given date.

`GET /api/speed_restrictions`

## Request body

- SpeedRestrictionsParams — Parameters for the `/api/speed_restrictions` endpoint. Attributes: line_id: Line identifier (e.g., `Red`, `Orange`). date: Date to query (YYYY-MM-DD).
  - `line_id` string, required
  - `date` string, required

## Response `200`

Success

- SpeedRestrictionsResponse — Response for `/api/speed_restrictions` — speed restriction zones. Attributes: available: Whether speed restriction data exists for this date. date: Actual date of the data (may differ from requested date). zones: Speed restriction zone details, if available.
  - `available` boolean, required
  - `date` string
  - `zones` object

---

[API](https://skmtc.net/transitmatters/apis/data-dashboard-api.md) · [All operations](https://skmtc.net/transitmatters/apis/data-dashboard-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/transitmatters/data-dashboard-api/versions/4bc220e599eb/schema)