The new 7000-series cars will replace the 2600-series and 3200-series cars and expand the fleet. The order is for 400 cars, with options for another 446 cars. If all options are picked up, the 846 car order will cost $1.3 billion. 10 prototype cars for testing to be delivered in late 2020 and then delivery of the production cars beginning in 2021. On March 9, 2016, the contract was awarded to CRRC Sifang America, with a bid that is $226 million lower than Bombardier's. However, on April 12, 2016, it was announced that Bombardier filed a protest of the decision, alleging that CTA rigged the procurement to give CRRC an unfair advantage. On September 28, 2016, the CTA finalized its decision to award CRRC Sifang America the 7000-series contract.