[1] It sits at the junction of tracks which are now owned by CSX Transportation and Canadian National Railway.

[2] The two railways created temporary space for passengers in their freight sheds, and in September 1885 contracted with Heitsch and Son of Pontiac to construct a new depot and baggage room.

[4] The Holly Union Depot is a long, single story cross-gable-roof structure made from reddish-orange and yellow-buff brick on a stone foundation.

Gabled projections are on each long side; these once contained separate ticket offices for the two railways.

A rectangular carved stone plaque is set into the facade of each projection, containing the town name, HOLLY, in raised capital letters.