City of Mt. Vernon issued the following announcement on Dec. 7.
Public Notice: Union Pacific Railroad will be making crossing improvements to the following crossing during the month of December:
Shawnee St. (both crossings)
Liberty Rd. (both crossing)
Rackaway St.
Castleton Ave.
Casey Ave.
Broadway St
Main St.
They will post signage for the closures and detours two days before the work is to begin. Each crossing will be closed for about six hours depending on the amount of work that needs to be done to make the improvements.
Original source can be found here.