---
title: "Create a towed rolling stock"
method: POST
path: "/towed_rolling_stock"
tags: ["rolling_stock"]
---

# Create a towed rolling stock

`POST /towed_rolling_stock`

## Query parameters

- `locked` boolean

## Request body

- TowedRollingStockForm
  - `comfort_acceleration` number, double, required — Acceleration in m·s⁻²
  - `const_gamma` number, double, required — The constant gamma braking coefficient used when NOT circulating under ETCS/ERTMS signaling system Acceleration in m·s⁻²
  - `inertia_coefficient` number, double, required
  - `label` string, required
  - `length` number, double, required — Length in m
  - `mass` number, double, required — Mass in kg
  - `max_speed` number, double, nullable — Velocity in m·s⁻¹
  - `name` string, required
  - `railjson_version` string
  - `rolling_resistance` RollingResistancePerWeight, required
    - `A` number, double, required — Solid friction in N·kg⁻¹; N = kg⋅m⋅s⁻² Acceleration in m·s⁻²
    - `B` number, double, required — Viscosity friction in (N·kg⁻¹)·(m/s)⁻¹; N = kg⋅m⋅s⁻² Viscosity friction per weight in s⁻¹
    - `C` number, double, required — Aerodynamic drag per kg in (N·kg⁻¹)·(m/s)⁻²; N = kg⋅m⋅s⁻² Aerodynamic drag per kg in m⁻¹
    - `type` string, required
  - `startup_acceleration` number, double, required — Acceleration in m·s⁻²

## Response `200`

The created towed rolling stock

- TowedRollingStock
  - `comfort_acceleration` number, double, required — Acceleration in m·s⁻²
  - `const_gamma` number, double, required — Acceleration in m·s⁻²
  - `id` integer, required
  - `inertia_coefficient` number, double, required
  - `label` string, required
  - `length` number, double, required — Length in m
  - `locked` boolean, required
  - `mass` number, double, required — Mass in kg
  - `max_speed` number, double, nullable — Velocity in m·s⁻¹
  - `name` string, required
  - `railjson_version` string, required
  - `rolling_resistance` RollingResistancePerWeight, required
    - `A` number, double, required — Solid friction in N·kg⁻¹; N = kg⋅m⋅s⁻² Acceleration in m·s⁻²
    - `B` number, double, required — Viscosity friction in (N·kg⁻¹)·(m/s)⁻¹; N = kg⋅m⋅s⁻² Viscosity friction per weight in s⁻¹
    - `C` number, double, required — Aerodynamic drag per kg in (N·kg⁻¹)·(m/s)⁻²; N = kg⋅m⋅s⁻² Aerodynamic drag per kg in m⁻¹
    - `type` string, required
  - `startup_acceleration` number, double, required — Acceleration in m·s⁻²
  - `version` integer, required

---

[API](https://skmtc.net/openrailassociation/apis/osrd-editoast.md) · [All operations](https://skmtc.net/openrailassociation/apis/osrd-editoast/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/openrailassociation/osrd-editoast/revisions/e1fc96bc11fd/schema)