If approved, the money would be first significant federal construction aid for Maryland light-rail project.
Maryland transit officials say they want to give the governor-elect time to consider the project before accepting bids.
Study would look for DNA in Montgomery County seeps, signaling presence of endangered species near proposed rail route.
Cost increase is less than 1 percent but latest for Maryland light-rail project.
In Bevery Hills, school officials have opposed tunneling a subway beneath a high school.
The agreement would define goals for economic development around new transit stations.
Artists can submit proposals for specific stations or locations
Haven't been paying close attention to the light-rail proposal? We've got you covered.
The $5 million study is viewed as an important first step to address traffic congestion and demand for public transit.
Maryland officials focus on how a light-rail line would affect local businesses, housing prices and job growth.