In the presented situation, can you stop the vehicle on the shoulder beyond the sign?

In the photo you are driving along a street in a town between houses; on the right there is sign B-36 "no stopping" with plate T-25c with an arrow pointing down, and beyond the sign there is an unpaved shoulder. You may stop the vehicle on the shoulder beyond the sign. The answer is: yes.

The Regulation on road signs and signals states that sign B-36 means a ban on stopping a vehicle, and plate T-25c placed under it shows the end of the ban given by the sign. So the downward arrow means that the ban which applied on the section before the sign ends at this place - beyond the sign stopping is again allowed under the general rules. The Road Traffic Act allows you to stop a vehicle where it is visible to others from a sufficient distance and does not cause danger or obstruct traffic - a car stopped on the shoulder does not narrow the roadway, so it meets this condition. So you stop beyond the post with the sign, not level with it or just before it, and you check that there are no other restrictions there, such as a solid line at the edge or being close to a junction or a crossing.

Legal basis: § 28 para. 2 and para. 7 point 3 of the Regulation on road signs and signals; Art. 46 para. 1 of the Road Traffic Act (Prawo o ruchu drogowym)