The Fort Worth City Council on Dec. 7 nixed a feasibility study on the planned $88 million line. Mayor Mike Moncrief cited funding concerns. The package included a $25 million federal grant.
Dallas last February secured a $23 million federal grant of its own.
Michael Morris with the North Central Texas Council of Governments says the goal is to keep the funding in the area.
The Federal Transportation Administration this month will be asked, by regional planners, to consider allowing Dallas to spend the money meant for Fort Worth.