# Vehicles and Traffic Safety-Bicycles
> **National Park Service** · Final rule. · Published 2012-07-06 · Effective 2012-08-06 · 77 FR 39927
## Document
- **Document number:** 2012-16466
- **Category:** park-regulation
- **Sub-agency:** National Park Service
- **Federal Register citation:** 77 FR 39927
- **CFR reference:** 36 CFR 4
- **Publication date:** 2012-07-06
- **Effective date:** 2012-08-06
- **Interior docket:** NPS-WASO-REGS-9886
## Abstract

This rule amends current regulations for designating bicycle routes and managing bicycle use within park units throughout the National Park System. It authorizes park superintendents to open existing trails to bicycle use within park units under specific conditions, in accordance with appropriate plans and in compliance with applicable law. It also retains the current requirement for a special regulation to authorize construction of new trails for bicycle use outside developed areas.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/07/06/2012-16466/vehicles-and-traffic-safety-bicycles)
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