I am not 100% sure but the railroad crossing sign.
A rail road crossing sing.
A black and yellow circle that has a R on the right, and a R on the left with an X in the center of the circle. Page 5-18 let me guess you are doing your 84 question assignment!
The sign is a yellow diamond with a black +. The sign MAY also contain text such as Crossroad ahead.
When driving the railroad arms will lower indicating a train is coming. However, the conductor will also alert drivers or passerby's by sounding the horn also.
Advisory sign
[infinty sign]<x<[infinity sign]
The Westclox pocket watch with a train engraved into the case is not a very valuable watch. The average cost of this watch is approximately $50.00.
A person who tells a train to stop or proceed is typically called a "train conductor" or "train engineer." In some contexts, they may also refer to a "dispatcher," who coordinates train movements and signals. These individuals are responsible for ensuring the safe and efficient operation of trains.
compass
watch
Blore receives a warning from the old man on the train about the danger he will face on Soldier Island. The old man tells Blore to watch out for the "red herring," implying that things are not as they seem and not to be misled by false information or distractions.
yield sign