It is a City Ordinance that there is no parking within 20 feet of an intersecting ways. This can be found under Sec 22-145 - General prohibitions which reads: (a) No person shall allow, permit or suffer any vehicle registered in his name to stand or park in any streets, way, highway, road or parkway under the control of the city in violation of this chapter or other traffic ordinances or orders adopted by the city council, except when necessary to avoid conflict with other traffic or in compliance with the direction of a police official or traffic sign or signal; and in particular, in any of the following places: Specifically number 9: (9) Upon any street or highway within 20 feet of an intersecting way, except alleys, unless otherwise provided. The complete ordinance can be found here: https://library.municode.com/ma/gloucester/codes/code_of_ordinances?nodeId=PTIICOOR_CH22TRMOVE_ARTVSTSTPA_DIV1GE_S22-145GEPR

Unfortunately since this is an ordinance the signs will not be removed. Please reach out to your ward councilor Steve LeBlanc