"Starting at 9 a.m. on Friday, Aug. 18, the Boulder Ranger District will close the Middle St. Vrain and Coney Flats roads [National Forest System Roads 114.1 (Middle St. Vrain), 507.1, 507.1A, 507.1B, 507.1C, and 507.1D (Coney Flats)]. The closure is due to health and safety concerns caused by wet and deteriorating conditions, and to make emergency road repairs. It is estimated that repair work may take up to two weeks to complete. "