# Part 572; Anthropomorphic Test Devices; Test Device for Human Occupant Restraint 50th Percentile Adult Male Dummy (THOR-50M)

**Action Urgency Score:** 20/100

| Field | Value |
|---|---|
| Agency | Transportation Department; National Highway Traffic Safety Administration |
| Type | Proposed rule |
| Action | Supplemental notice of proposed rulemaking (SNPRM). |
| Published | 2026-09-22 |
| Effective | 2026-09-22 |
| Comments close | 2026-10-22 |
| Significant | No |
| CFR parts | 49 CFR 572 |
| Summary | This document supplements NHTSA's September 2023 notice of proposed rulemaking to amend NHTSA's regulations to include an advanced crash test dummy (the Test Device for Human Occupant Restraint (THOR) 50th percentile adult male) by requesting comment on specifying an additional spine configuration and an alternative to the face foam, and announcing the availability of additional documents. |
| Document number | 2026-19370 |

## Why this score


Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/09/22/2026-19370/part-572-anthropomorphic-test-devices-test-device-for-human-occupant-restraint-50th-percentile-adult). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.