Marking Colors
Separates opposite direction of travel
What are yellow pavement markings?
Dotted line
What line allows crossing when conditions are safe? (permissive condition)
6ft
What is the minimum width of a crosswalk?
Stopping sight height
What is 2 ft?
TWLTL
What is the acronym for Two-Way Left Turn Lane?
Separates same direction of travel
What are white pavement markings?
Solid line
What line discourages or prohibits crossing?
12-24"
What is the width of longitudinal bars?
Passing sight height
Stop lines' width
Blue
What is used in accessible parking spaces?
Dotted lane line
What notifies vehicles of a downstream change in lane function?
Longitudinal bar, ladder, and bar pair designs
What are high-visibility crosswalks?
Spacing of broken lines on highways
What are 30' gaps and 10' lines?
Crossing a double solid white line
What is prohibited?
What are toll plaza approaches?
What guides vehicles through an intersection?
24-60"
What is the spacing between longitudinal bars?
50 mcd/m^2/lx
What is the minimum retroreflectivity of pavement markings on roads with speed limits above 35 MPH?
Center lines must be on all streets with this many lanes
What is 3 or more?
Red
What are truck escape ramps? What are one way ramps/lanes that should not be entered from the direction where markings are visible?
What indicates special restrictions?
2.5*longitudinal marking width
What is the widest allowed distance between longitudinal markings?
.5 miles before theoretical gore
Where must lane drop markings begin?
Minimum taper length in urban conditions
What is 100'?