A warning sign for a curve can have a flashing blue arrow pointing in the direction of the curve. For more on the hairpin turn signal, see TFGAP-I.

W10-1	W1-2R	W1-11R

The advance sign for the roundabout can use that intersection's characteristic signal, as proposed in TFGAP-R, the railroad sign can carry a flashing blue crossbuck, and the vertical clearance sign might have arrows pointing opposite directions.

W11-1R	W2-6	W12-2