The following checklist must be used by safety inspectors, and a copy of their report shall be furnished to the installation Safety Engineer ... Improper use of wheel chocks, unsafe car stationing (without set brakes or wheel chocks on grades), loose chocks and bumpers, and condition of cattle guards. ... Signs may be fixed and installed at proper clearances from the track or may be portable and temporary.
|Title||:||Maintenance of trackage|
|Author||:||United States. Dept. of the Army|