A black and yellow sign typically indicates a warning or caution.
A round black on yellow sign typically indicates caution or warning in traffic signage. It often serves to alert drivers to potential hazards or changes in road conditions ahead. For example, it may be used to indicate curves, intersections, or other important information that requires attention.
An advance railroad sign is round and has a yellow background with a black X and black R's on each side of the X. The sign at the site of the tracks is an X shaped sign that is white with black text and says "Railroad Crossing" with the words crossed on each leg of the X. Crossbuck.Read more: What_is_the_color_and_shape_of_a_US_Railroad_Sign
A yellow and black sign typically indicates a warning or caution, alerting drivers to potential hazards or changes in road conditions ahead.
An advance railroad sign is round and has a yellow background with a black X and black R's on each side of the X. The sign at the site of the tracks is an X shaped sign that is white with black text and says "Railroad Crossing" with the words crossed on each leg of the X. Crossbuck.See the related link for a site with pictures of US traffic signs.
a 3 letter reasutrant with a black palm tree in a yellow triangle
yellow with black letters
Railroad Crossing
RegulatoryAdditional Information: (in the US) If it is black lettering on a white background it is regulatory.If it is is black lettering on a yellow background, and usually accompanied by a road condition sign it is advisory.
The sign is a yellow diamond with a black +. The sign MAY also contain text such as Crossroad ahead.
Traffic sign Road sign Warning sign Information Visual symbol
In the U.S. a yellow diamond shape sign with a black S shape with an arrow.