HOST INTRO: For people who take the L-train, the countdown clock is ticking to January 2019, when it will be shut down between 8th Avenue and Bedford Avenue for an estimated 18 months. The MTA and city Department of Transportation say the line needs significant repairs due to damage during SuperStorm Sandy. Now, they’re holding public meetings to ask commuters what transportation alternatives they want to see. And while many still dread the shutdown, others are more optimisitc about what will come of it. Camila Kerwin has more.