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Third overhead dynamic message sign to be installed on I-565, roadblocks and lane closures announced

HUNTSVILLE, Ala. (WHNT) — A third dynamic message sign (DMS) will rise into the sky over I-565 westbound near the Triana Boulevard overpass in Huntsville tonight. The DMS is the last major feature ...
Billings Gazette

Highways get dynamic signs

GREEN RIVER - The new dynamic message signs the state installed on Interstate 80 in southwest Wyoming blink a short, simple message to motorists. The message just might save your life. Wyoming ...