1. A vehicular traffic system for use in a merge zone, wherein the merge zone comprises a secondary lane merging into a primary lane, the system comprising: a central controller; a series of primary lane signaling devices connected to the central controller; a series of secondary lane signaling devices connected to the central controller; and the central controller performing the steps of: (a) activating the series of primary lane signaling devices based on a primary lane trajectory such that motorists traveling in the primary lane take visual cues from the series of primary lane signaling devices causing the primary lane motorist to be positioned according to the primary lane trajectory; and (b) activating the series of secondary lane signaling devices based on a secondary lane trajectory such that motorists traveling in the secondary lane take visual cues from the series of secondary lane signaling devices causing the secondary lane motorist to be positioned according to the secondary lane trajectory.