encyclopedia

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)

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.