Weathered wood, creosote-stained, holding the tracks together.
Railroad Ties is a warm grey, close to brown.
It can be described as warm, muted, greyish and dusty.
Set in white, because white reads best on it.
A railroad tie, crosstie, railway tie or railway sleeper is a rectangular support for the rails in railroad tracks. Generally laid perpendicular to the rails, ties transfer loads to the track ballast and subgrade, hold the rails upright and keep them spaced to the correct gauge.
Read on WikipediaRail transport is a mode of transport using wheeled vehicles running on tracks, which usually consist of two parallel steel rails. Rail transport is one of the two primary means of land transport, next to road transport. It is used for about 8% of passenger and freight transport globally, thanks to its energy efficiency and potentially high speed. Additionally, the track spreads the weight of the train which means larger amounts can be carried than with trucks on roads.
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