Legal — By City

Train Horn Schedule in Odenton Maryland

Odenton sits on Amtrak's Northeast Corridor — MARC Penn Line commuter and Acela / Northeast Regional intercity services. Plus CSX freight on parallel routes. The NEC is mostly grade-separated, so horn use is less frequent than on freight-only corridors.

By Train Horn Editorial Published April 28, 2026

Commuter train near trees — MARC Penn Line + Amtrak Northeast Corridor through Odenton MD

Disclaimer

Informational only — verify with Anne Arundel County and FRA Quiet Zone Database.

Federal framework

Under 49 CFR § 222, every locomotive must sound • • — • at 96–110 dB at every public highway-rail at-grade crossing. The horn is not required at grade-separated crossings (overpasses / underpasses).

Odenton rail context

Amtrak Northeast Corridor (NEC) — Acela, Northeast Regional, Vermonter (transferring at New Haven), and select long-distance services pass through
MARC Penn Line — Washington DC–Baltimore–Perryville commuter, ~50+ trains daily on weekdays
CSX — freight on parallel routes (Capital Subdivision)
The NEC through Odenton is largely grade-separated — most road / rail crossings are bridges or underpasses, not at-grade. Horn use is less frequent than on freight-only corridors.
Odenton MARC station is one of the busiest MARC stops outside of Penn Station Baltimore

How to verify quiet-zone status

Vehicle train horn rules — Maryland state law

Vehicle horns in Odenton follow Maryland state law. See our Maryland train horn laws.