D. The director or local jurisdiction, on highways under the applicable jurisdiction, shall post signs at all roundabouts, whether constructed before, on or after October 30, 2023. The signs shall include both of the following:

1. 1. A yield sign before the roundabout entrance.
2. 2. A sign, as outlined in subsection E of this section, before the roundabout entrance.

E. The department shall:

1. 1. Design a uniform and standard sign to convey the information that large trucks have the right-of-way or that vehicles should yield to large trucks in a roundabout.
2. 2. Develop a uniform standard by which the sign is to be displayed along with the standard yield sign.

F. For the purposes of this section:

1. 1. "Collector street" means a street that serves or is intended to serve as the principal traffic way between large and separated areas or districts and that is the main means of access between arterial streets or as otherwise defined in a local jurisdiction's transportation plan.
2. 2. "Local road" means a street that is usually in a residential area and that provides connectivity between a collector street and an arterial street for local traffic or as otherwise defined in a local jurisdiction's transportation plan.

3. 3. "Roundabout":

   1. (a) Means a circular intersection or junction in which road traffic flows almost continuously in one direction around a central island.
   2. (b) For the purposes of subsection D of this section, does not include an intersection or junction that is located on a local road or a collector street.