The Miami-Dade County Government was working with the Citizens Independent Transportation Trust (CITT) to receive money from the half-penny sur-tax approved by voters in 2002 in order to purchase new Metrorail cars.
MDT later planned to refurbish the existing Metrorail cars with the money instead of replacing them as promised.
However, it was found that the fleet had never been maintained properly, and in 2008, a cost-benefit analysis found that, based on the current fleet's condition, a refurbishment would cost just as much as it would to buy new cars, if not more so.
There were discussions with Washington, D.C.'s Metro system about combining car orders with their 6000-series cars to achieve lower costs through economies of scale, but the talks failed to work anything out.

The following year, Miami-Dade issued an RFP for new cars to replace their existing fleet, at a cost no greater than $2.419 million per car.
Proposals from three railcar manufacturers were reviewed, with only two of which meeting the price requirements, these being from Italy-based AnsaldoBreda and Elmira Heights, New York-based CAF USA, an American branch of the Spain-based Construcciones y Auxiliar de Ferrocarriles.
CAF's bid was slightly higher than that of AnsaldoBreda, and thus Miami-Dade was prepared to award the contract to the former.
However, the contract was stalled when CAF filed a lawsuit against the transit authority, claiming that their selection of AnsladoBreda was due to the fact that the builder was willing to open a local factory in Miami-Dade County to assemble the vehicles.
This violation could render the deal ineligible for federal funding.

After reevaluating the bids from the builders, without taking local geographic preference into account, Miami-Dade reaffirmed its selection of AnsaldoBreda, and in November 2012, approved a $313 million purchase of 136 new Metrorail cars from the company.
Miami-Dade issued the notice to proceed the following month, with the cars expected to be delivered over the course of several years until 2017.
By the time the custom rail-car building facility in Medley was completed in early 2016, AnsaldoBreda had been purchased by Hitachi Rail and the full rollout was pushed back to 2019, beginning gradually from 2017.
The first trainset entered service in early December 2017.
The delivery of the cars fell behind schedule once again due to flooding at the Hitachi Rail factory in West Plains, Missouri, and in February 2018 it was announced that the final replacement cars would not arrive before 2020.
The shortage of replacement cars resulted in some Metrorail runs being operated as two-car trains.
The Miami-Dade County Government was working with the Citizens Independent Transportation Trust (CITT) to receive money from the half-penny sur-tax approved by voters in 2002 in order to purchase new Metrorail cars. MDT later planned to refurbish the existing Metrorail cars with the money instead of replacing them as promised. However, it was found that the fleet had never been maintained properly, and in 2008, a cost-benefit analysis found that, based on the current fleet's condition, a refurbishment would cost just as much as it would to buy new cars, if not more so. There were discussions with Washington, D.C.'s Metro system about combining car orders with their 6000-series cars to achieve lower costs through economies of scale, but the talks failed to work anything out.
The following year, Miami-Dade issued an RFP for new cars to replace their existing fleet, at a cost no greater than $2.419 million per car. Proposals from three railcar manufacturers were reviewed, with only two of which meeting the price requirements, these being from Italy-based AnsaldoBreda and Elmira Heights, New York-based CAF USA, an American branch of the Spain-based Construcciones y Auxiliar de Ferrocarriles. CAF's bid was slightly higher than that of AnsaldoBreda, and thus Miami-Dade was prepared to award the contract to the former. However, the contract was stalled when CAF filed a lawsuit against the transit authority, claiming that their selection of AnsladoBreda was due to the fact that the builder was willing to open a local factory in Miami-Dade County to assemble the vehicles. This violation could render the deal ineligible for federal funding.
After reevaluating the bids from the builders, without taking local geographic preference into account, Miami-Dade reaffirmed its selection of AnsaldoBreda, and in November 2012, approved a $313 million purchase of 136 new Metrorail cars from the company. Miami-Dade issued the notice to proceed the following month, with the cars expected to be delivered over the course of several years until 2017. By the time the custom rail-car building facility in Medley was completed in early 2016, AnsaldoBreda had been purchased by Hitachi Rail and the full rollout was pushed back to 2019, beginning gradually from 2017. The first trainset entered service in early December 2017. The delivery of the cars fell behind schedule once again due to flooding at the Hitachi Rail factory in West Plains, Missouri, and in February 2018 it was announced that the final replacement cars would not arrive before 2020. The shortage of replacement cars resulted in some Metrorail runs being operated as two-car trains.
Metrorail (Miami-Dade County)