Unless necessary to avoid conflict with other traffic, or unless a police officer or official traffic control device has so directed, no person may park a vehicle, whether occupied or not, except temporarily for the purpose of and while actually engaged in loading or unloading merchandise or passengers:

1. (1) Within fifty feet of the nearest rail of a railroad crossing;
2. (2) At any place where official signs prohibit parking. A violation of this section is a petty offense.

Source: SL 1970, ch 175 , § 31, § 2; SL 1989, ch 255 , § 211.