(a) A permissible trip light or other approved device such as
reflectors, approved by the Coal Mine Safety District Manager(s), should be
used on the rear of trips pulled, on the front of trips pushed and on trips
lowered in slopes. However, trip lights or other approved devices need not be
used on cars being shifted to and from loading machines, on cars being
handled at loading heads, during gathering operations at working faces, when
trailing locomotives are used, or on trips pulled by animals.
(b) Cars on main haulage roads should not be pushed, except where
necessary to push cars from side tracks located near the working section to
the producing entries and rooms, where necessary to clear switches and
sidetracks, and on the approach to cages, slopes, and surface inclines.
(c) Warning lights or reflective signs or tapes should be installed
along haulage roads at locations of abrupt or sudden changes in the overhead
(d) No person, other than the motorman and brakeman, should ride on a
locomotive unless authorized by the mine foreman, and then only when safe
riding facilities are provided. No person should ride on any loaded car or on
the bumper of any car. However, the brakeman may ride on the rear bumper of
the last car of a slow moving trip pulled by a locomotive.
(e) Positive-acting stopblocks or derails should be used where
necessary to protect persons from danger of runaway haulage equipment.
(f) An audible warning should be given by the operator of all
self-propelled equipment including off-track equipment, where persons may be
endangered by the movement of the equipment.
(g) Locomotives and personnel carriers should not approach to within
300 feet of preceding haulage equipment, except trailing locomotives that are
an integral part of the trip.
(h) A total of at least 36 inches of unobstructed side clearance
(both sides combined) should be provided for all rubber-tired haulage
equipment where such equipment is used.
(i) Off-track haulage roadways should be maintained as free as
practicable from bottom irregularities, debris, and wet or muddy conditions
that affect the control of the equipment.
(j) Operators of self-propelled equipment should face in the
direction of travel.
(k) Mechanical steering and control devices should be maintained so
as to provide positive control at all times.
(l) All self-propelled rubber-tired haulage equipment should be
equipped with well maintained brakes, lights, and a warning device.
(m) On and after March 30, 1971, all tram control switches on
rubber-tired equipment should be designed to provide automatic return to the
stop or off position when released.
U.S. Department of Labor | Mine Safety and Health Administration (MSHA) | 1100 Wilson Boulevard, 21st Floor | Arlington, VA 22209-3939 www.msha.gov | Telephone: (202) 693-9400 | Fax-on-demand: (202) 693-9401