City of Redlands issued the following announcement on Dec. 24.
Beginning Monday, January 4, 2021 at 5:00 a.m. Waterman Avenue at the rail crossing will be closed to through traffic for approximately nine weeks for installation of utilities, track, and signal foundations. For the most up-to-date closures and detours, visit goSBCTA.com/Arrow and view/bookmark the project Google Map.
City of San Bernardino Municipal Government
Original source can be found here.
Source: City of Redlands