My Account Log in

2 options

Acoustical warning devices as emergency warning systems.

Online

Available online

View online

U.S. Government Documents Available online

View online
Format:
Book
Government document
Contributor:
United States. Federal Railroad Administration. Office of Research, Development and Technology, issuing body.
Foster-Miller
Harris, Miller, Miller & Hanson Inc.
QinetiQ North America (Firm)
Language:
English
Subjects (All):
Emergency communication systems--United States.
Emergency communication systems.
Sirens (Signaling devices).
Railroads--Safety appliances--United States.
Railroads.
sirens (sound devices).
Railroads--Safety appliances.
United States.
Genre:
technical reports.
Technical reports
Technical reports.
Physical Description:
1 online resource (volumes) : color illustrations
Place of Publication:
Washington, DC : U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology, 2019-
Notes:
"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.
Includes bibliographical references.
Description based on online resource; title from PDF cover (FRA, viewed August 2, 2021).
OCLC:
1263248107

The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.

Find

Home Release notes

My Account

Shelf Request an item Bookmarks Fines and fees Settings

Guides

Using the Find catalog Using Articles+ Using your account