Temporary vacancies bid by operators.
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HOLDING LIGHTS
Indicators at wayside stations which, in conjunction with manual or automatic train dispatchers, are used to maintain scheduled train operation. (NTSC)
HOLDOVER TENANT
A tenant who remains in possession of leased property after the expiration of the lease term.
HOLLYWOOD CONSTRUCTION IMPACT PROGRAM
Metro Red Line – Segment 2 construction impact mitigation budgeted for $2.1 million in FY98. Major components are security, community outreach, cleaning and graffiti removal.
HOME
The startup page of a site, containing identity and index information.
HOME SIGNAL
A fixed signal at the entrance of a route or block to govern trains entering that route or block. Also see Signal, Home.(NTSC)
HOME-BASED TRIP
A trip that has either its origin or destination at the traveler’s residence. (TRB)
HORIZONTAL CURVE
Track section which bends left or right.
HORSEPOWER
A measure of power approximately equivalent to 746 watts or to 550 foot-pounds of work in 1 second. (TRB)
HOSTLER
An employee whose duties involve moving vehicles, usually within a yard boundary; sometimes called a yard attendant.