Uber, Lyft Drivers Sue to Overturn California Ballot Measure (1)

Ride-hail and delivery drivers are suing to invalidate the California ballot measure approved in November that declared them independent contractors, the latest volley in the state’s years-long struggle over whether gig workers are employees.

The Service Employees International Union and a group of drivers for Uber Technologies Inc., Lyft Inc., DoorDash Inc. and Instacart Inc. filed a petition Tuesday in the California Supreme Court claiming that Proposition 22, the measure the gig companies spent $200 million to place on the ballot and get approved by voters, violates the state’s constitution.

The measure designates app-based drivers as contractors under ...