https://mntransportationresearch.org/2026/06/30/new-project-are-current-rigid-pavement-roundabout-designs-working-in-minnesota/Crossroadsen2026-06-30T14:30:00+00:00New Project: Are Current Rigid Pavement Roundabout Designs Working in Minnesota?Minnesota, transportation, pavement, research, Roundabout, Construction, Concrete, traffic, featured, maintenance, materials, design, new project, rigid roundabout pavement, rigid, traffic loadshttps://mntransportationresearch.org/wp-content/uploads/2026/06/adobestock_130958645.jpeg?w=150