Chat with Andrew Gates from the Missouri Department of Transportation, David Wrone from the St. Louis County Department of Transportation, Kyle Nelson from the St. Louis Street Department and Amanda Brauer from the St. Charles County Roads and Traffic Unit at 1 p.m. Wednesdays at stltoday.com/chat . Here's an edited excerpt from recent chats:

TKI: What are MoDOT and St. Louis County's policies and plans, if any, to install rumble strips on secondary two-lane roads? The strips are needed for the center and outer yellow markings at multiple locations e.g Lewis, Wild Horse Creek, Natural Bridge, Clayton and Hawkins roads, etc.

Gates: Generally speaking, MoDOT considers adding these proven safety measures when we are working toward awarding a resurfacing project. They are not an automatic

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