Acoustical warning devices as emergency warning systems.

Bibliographic Details
Corporate Authors:	Foster-Miller, Harris, Miller, Miller & Hanson Inc, QinetiQ North America (Firm)
Format:	Government Document eBook
Language:	English
Published:	Washington, DC : U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology, 2019-
Subjects:	Emergency communication systems > United States. Sirens (Signaling devices) Railroads > Safety appliances > United States. Technical reports.
Online Access:	https://purl.fdlp.gov/GPO/gpo158421

Description
Item Description:	"DOT/FRA/ORD-19/40"--Phase 1. "DOT/FRA/ORD-21/13"--Phase 2. "Final report, October 2019"--Phase 1. "Final report, March 2021"--Phase 2. "Performing organization: Foster-Miller, Inc. & Harris Miller Miller & Hanson Inc."--Phase 1, report documentation page. "Performing organization: QinetiQ North America & Harris Miller Miller & Hanson Inc."--Phase 2, report documentation page.
Physical Description:	1 online resource (volumes) : color illustrations
Bibliography:	Includes bibliographical references.