[Work schedule and accidents among subjects digging tunnels for the new high speed railway network in Toscana]. / Orario di lavoro e fenomeno infortunistico nella costruzione della Tratta toscana dell'Alta Velocità ferroviaria.

We analysed the temporal distribution of all the accidents occurred in the last 4 years among the workers engaged in tunnel digging for the new high speed railway network. The frequency and severity rates show significant differences according to work shifts and time of occurrence, with particular reference to hour of the day, hour of duty, day of the week, day of duty, and month of the year).