Keolis, an international transit company, will earn $2.68 billion to manage the state’s commuter rail system for eight years, with a possible four-year contract extension.

The tiered regime gives Keolis monthly bonuses ranging from $2,500 to $70,000, depending on the line, for reaching adjusted on-time performance rates of up to 98 percent.

Keolis and Navya, partners in autonomous mobility since 2016, have launched their first fully autonomous shuttle service at the French National Shooting Sports Centre (CNTS) in Châteauroux.

Keolis won the bid over the current operator, the Massachusetts Bay Commuter Rail company, which has been at the helm for the last 10 years. Scott said Keolis’ contract comes with some new ...