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REPORT OF COMMITTEE IX-ON SIGNS, FENCES
Maro Johnson, Chairman;
T. E. Rust, Vice-Chairman;
To the American Railway Engineering Association:
Your Committee reports on the following subjects:
(1) Revision of the Manual No changes are recommended in the Manual.
(2) Location of Roadway Signs This subject has been given careful study, the results of which appear in Appendix A. Recommendations relating to it appear under the head of conclusions.
(3) Highway Grade Crossings The Committee has not reached a unanimous conclusion on this subject and makes no recommendations. Tentative specifications were submitted last year and they appear in the Proceedings. Suggestions or criticism from the membership will be welcomed.
(4) Substitutes for Crossing Planks A large amount of data has been accumulated on this subject, and is presented as information in Appendix B.
(5) Concrete Fence Posts In Appendix C is presented tentative specifications for all concrete posts and tentative plans for round and square line posts.
(6) Wood, Steel and Concrete Fence Posts Additional data has been accumulated during the year, but the Committee is not ready to submit conclusions and does not believe advance publication of the information received would be of value.
(7) Recommendations for Future Work The Committee recommends that the incompleted subjects, Nos. 3, 4, 5 and 6 above, be continued and suggests that in addition, consideration be given to the assignment of the following:
(1) The preparation of plans for end, corner and gate posts of concrete and for a method of bracing same.
(2) That, if possible, arrangements be made for the test of line posts constructed in accordance with tentative plans of the Committee.
(3) Make a study and report on means used for preventing the accumulation of snow and for its removal.
CONCLUSIONS Your Committee recommends that the statement in Appendix A relating to the location of signs be adopted and printed in the Manual.
MARO Johnson, Chairman.
LOCATION OF SIGNS G. N. EDMONDSON, Chairman; L: C. LAWTON, Vice-Chairman; ARTHUR ANDERSON, ARTHUR CRUMPTON, W. C. SWARTOUT, Sub-Committee.
In studying the location of signs, the Committee considered the safety of employees, visibility, uniformity of location, clearance and width of roadbed.
A circular was sent to a large number of railroads asking for information as to their general practice in locating signs, with the purpose of finding out if there were any unusual conditions which should be taken into consideration, also with the idea of avoiding a recommendation that would vary too much from present practice. The information obtained included the location of signs, with relation to the track; location with relation to the objects affected, and details of any local, State, or Public Service Commission laws or orders applying to the location of signs.
Summary of Replies to Questionnaire Distances from the Track: The replies to the questionnaire show considerable variation in the distances used, but the majority are less than recommended in this report.
Distances along Track, from the object affected: In most instances, the sign itself indicates the location. Where it does not, varying locations are given in the replies.
Laws or Orders of Public Utilities Commissions : These affect primarily highway crossings, drawbridges and whistle posts. The questionnaire does not disclose any law or order which will conflict with, or vary much, from the recommendations of this report. If such variations do occur, the law, of course, will govern.
Safety and Clearance are naturally combined. This Association has previously adopted a clearance diagram applying to bridges requiring horizontal clearance of eight feet from the center of the track and signs should not encroach on this.
The Committee believes it would generally be better to adopt a uniform distance for all signs wherever possible rather than vary it for different classes of signs, the main consideration being safety for employees, which condition is controlled by distance from the track.
Roadbed width may also be considered important, and by roadbed width we mean the width of sub-grade. The Association has adopted a roadbed with a 10 ft. shoulder, where ordinary depths of ballast are used, and has also adopted a 11 ft. 11/2 in. shoulder where sub-ballast is used.
Information acquired in March and April, 1921, from 34 different railroads shows the following widths of roadbed in use:
Class A Track
7'6" to 11'6"
LOCATION OF SIGNS Signs Primarily for the Information of Trainmen
Distant (one mile).
One mile. 400' more or less.
Yard-- (One mile)
Name or Purpose of Sign
Sketch of Sign.
Distance at right angles from center line of track to nearest face or
edge of Sign.
Distance along track from Sign to object, or condition which it de
scribes or designates.
Track Pan Posts
*Between tracks vary distance out, according to track centers.