ADVANCE ROUTE TURN MARKERS ON CITY STREETS
ALTHOUGH MUCH ATTENTION HAS BEEN GIVEN TO DIRECTIONAL SIGNING FOR RURAL AREAS, PARTICULARLY ON EXPRESSWAYS, THE PROBLEMS OF ROUTE SIGNING ON CITY STREETS REMAIN. FOR CITIES SUCH AS WASHINGTON, D.C., WHERE TOURISTS ABOUND, THE PROBLEM IS A VITAL ONE. TO EVALUATE THE EFFECTIVENESS OF ROUTE TURN DIRECTIONAL MARKERS AND ADVANCE TURN MARKERS, TEST DRIVERS NEGOTIATED A FICTITIOUS ROUTE THROUGH DOWNTOWN WASHINGTON. THE 12 INTERSECTIONS AT WHICH TURNS WERE TO BE MADE WERE CHOSEN SO AS TO BE AS NEARLY ALIKE AS POSSIBLE. THE TEST VARIABLES, ON WHICH AN ANALYSIS OF VARIANCE WAS MADE, WERE (A) THE NUMBER OF ADVANCE TURN MARKERS, (B) THE DIRECTION OF TURN, AND (C) THE DISTANCE BETWEEN SUCCESSIVE TURNS. THE RESULTS INDICATE THAT IT IS DESIRABLE TO PROVIDE AT LEAST ONE ADVANCE TURN MARKER IN ADVANCE OF A TURN. IN ADDITION, INFERENCES ARE DRAWN RELATING TO ROUTE MARKER DESIGN AND PLACEMENT. /HRB/
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Supplemental Notes:
- Vol 41, pp 483-494, 7 FIG, 3 TAB. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
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Authors:
- POWERS, L D
- Publication Date: 1962
Media Info
- Media Type: Digital/other
- Monograph Title: Proceedings of the 41st Annual Meeting of the Highway Research Board, Washington, D.C., January 8-12, 1962
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Serial:
- Highway Research Board Proceedings
- Volume: 41
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Direction signs; Streets; Turning traffic; Warning signs
- Old TRIS Terms: Directional sign
- Subject Areas: Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 00226030
- Record Type: Publication
- Files: TRIS, TRB
- Created Date: Jan 24 1972 12:00AM