Italian transport workers planned a 24-hour strike Friday that is expected to idle bus networks, trams and subways across the country, unions said.
The walkout was called by the transport units of Italy's three main unions to demand higher pay in the new contracts.
Basic services for commuters will be running during peak hours, and their schedules differed from place to place.
In Rome there will be come public transportation from midnight until 8:30 a.m. (0630GMT) and again between 5 p.m. (1500GMT) and 8 p.m. (1800GMT).
In Milan there will be some service from midnight until 8:45 a.m. (0645GMT) and again between 3 p.m. (1300GMT) and 6 p.m. (1600GMT).
The workers are in contract talks, reports the AP.