This comes from one of our friends at City Hall.
A new feature now is PlowNYC, a webpage where residents can track the progress of plowing operations in their neighborhoods. People can put in their address and view a local map that includes their street's priority designation and details about when the location was last serviced. The link is as follows:
The borough snow plans are now available on the DSNY webpage
Also the maps can be found at http://www.nyc.gov/dsny under the tab Snow Plans and Mapping.