About a third of Project Neon is finished now, and the next phase of construction starts Tuesday.

The southbound Interstate 15 to northbound U.S. 95 ramp will reopen at 6 a.m. Tuesday .

U.S. 95 will be narrowed during this stage between Rancho Drive and the Spaghetti Bowl.

The Nevada Department of Transportation continues to encourage drivers to practice zipper merging, which involves using through lanes to their full capacity, with motorists taking turns merging and passing through. An NDOT spokesman says the technique is “working well thus far.”