In the acquisition, construction, reconstruction, improvement, planning, or equipping of appurtenances to roads and bridges to enhance the safety of animal-drawn vehicles, pedestrians, and bicycles, eligible activities include, but are not limited, to the following:
(A) Constructing or widening shoulders, including widening of bridges and culverts and purchase of rights-of-way, if necessary;
(B) Constructing pull-off lanes for roadways with visibility issues;
(C) Improving vertical and horizontal curvature of roadways;
(D) Placement of warning signs for animal-drawn vehicle traffic, including automated flashing signs.