The driving tactic that could make your morning commute easier
NPR's Ayesha Rascoe speaks with Marshall Zelinger of 9News Denver about his reporting on and advocacy for zipper merging, a driving tactic that can ease traffic congestion.
NPR's Ayesha Rascoe speaks with Marshall Zelinger of 9News Denver about his reporting on and advocacy for zipper merging, a driving tactic that can ease traffic congestion.