State leaders urge Republic Services to finalize contract with striking Teamsters as uncollected garbage piles up in Massachusetts communities and other states across the country.

Negotiations between Republic Services and Teamsters broke down late last week. Talks are set to resume Tuesday, but the impacts of the trash strike are growing more pronounced.

A total of about 450 Republic Services workers represented by the Teamsters union in the Boston area have been on strike since July 1, but the work stoppage has spread to Southern California and now i

The work stoppage, led by Teamsters-affiliated employees demanding contract improvements, has now impacted waste collection in parts of King and Snohomish counties. Republic Services, one of the region’s largest waste haulers, is in contract negotiations with workers at five locations across the state.

A federal mediator was scheduled to meet with members of the Teamsters Local 25 and the trash company providing garbage services in more than a dozen Bay State cities and towns on Tuesday.