City Of Treasure Island issued the following announcement on Apr. 26.
Starting later this week, there will be changes to the traffic pattern along East Treasure Island Causeway while signalization work is performed at the 79th Street intersection.
This will result in intermittent moving operations that will follow the progress of the work. Work is expected to be completed by May 6. Thank you for your continued patience throughout this project.
Original source can be found here.