Investigating the Effectiveness of Intelligent Lane Control Signals on Driver BehaviorStatus: CompleteReport Date: 08/06/2012 Summary: This driving simulation study tested drivers' response to merge messages, speed limit signs and lane closure warnings presented on programmable overhead displays. Drivers responded appropriately to all of the messages, including an alternative format for merge messaging that was more effective than the standard words-only format. Final Deliverables: Report #2012-22 Research Summary Related Materials: Related Research: