SORRENTO, FL _ Drivers should be alert for flagging operations on State Road (SR) 46 east of Camp Challenge Road through Wednesday, January 21, 2015, as part of construction of Wekiva Parkway Section 4B in east Lake County. Crews will be alternating traffic through one lane from 9 a.m. - 3 p.m. each day to allow shoulder embankment work needed to connect the parkway ramps to SR 46. Message boards also have been posted to alert drivers to the activities. Minor delays are possible.