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<br />' 3.H.4 Transportation <br />Purpose of the study <br />In comparison to other quarrying operations, the Castle Rock Quarry will have only a fraction of <br />the shipment volume. Rhyolite is a specialty rock and is not utilized, by its nature, in the high <br />volume applications of asphalt and concrete. Also, rhyolite has a more constant sales volume <br />throughout the yeaz, rather than large peak months. <br />As mentioned previously, since the Castle Rock Quarry will replace the Ditmazs operation on <br />' South Lake Gulch Road, the transportation issues for the community will remain unchanged <br />from the current operation. Rhyolite is mainly transported in tandem-axle trucks by small <br />landscape contractors and we have accurate trucking data on the Ditmars operation in order to <br />' ascertain truck trip volume. <br />This Transportation Study will address the mazket locations for the rock, haul routes, number of <br />' truck trips generated from the Castle Rock Quarry operation, access point to the site, and an <br />overall safety plan for truck traffic. <br />' Context <br />The Castle Rock Quarry is located in a rural section of Douglas County, southeast of the Town of <br />' Castle Rock. Ridge Road is on the west side of the permit azea. Ridge Road is a relatively flat, <br />two lane, all weather gravel road with a speed limit of 35 mph. It nms along the ridge between <br />' Willow Creek and Sellers Gulch. Generally the aligrunent is straight except for two 90° toms. <br />South Lake Gulch Road forms part of the southern boundary of the permit azea. This road <br />connects Castle Rock to State Highway 83 to the southeast. Recently the road was paved from <br />Quarry Road, which is the entrance to the Ditmazs operation, south, past Ridge Road close to the <br />intersection of Castlewood Canyon Road. The road passes through hilly terrain and is posted at <br />25 to 35 mph. The speed limits aze well posted and guazd rails aze installed at needed locations. <br />Castlewood Canyon Road forms the eastern boundary of the permit azea. It is a narrow, two <br />lane, all weather gravel road. It travels along the bottom of the bluff along Cherry Creek. There <br />aze no roads adjoining the permit azea on the north. <br />' The majority of the land use surrounding the permit azea is grazing. There aze scattered <br />residences on the north, west, and southwest sides of the permit azea. Land to the south and east <br />' is undeveloped and owned by the Winkler Cattle Company. Presently, the lazgest development <br />is Founuers Village, two miles to the north. <br />~L <br /> <br />23 <br />