科罗拉多州卡斯尔罗克水晶谷立交14日开通 1.5亿美元工程提前八个月完工
科罗拉多州卡斯尔罗克镇的25号州际公路水晶谷立交于11月14日至15日这个周末开通南向上下匝道，整座立交至此全面投入使用。该项目耗资约1.5亿美元，按预算完工，比原计划提前八个月。立交位于25号州际公路179号出口，连接水晶谷与道森小径两个社区，也是水晶谷商圈的出入口。北向匝道已于今年早些时候开通，开通后附近普拉姆克里克立交的车流量减少了约一半。
项目资金来源包括开发商出资5360万美元、道格拉斯县出资2400万美元修建立交及1100万美元修建西侧辅路，另有丹佛地区政府委员会拨款890万美元和联邦交通部540万美元建设拨款。道格拉斯县过去十年人口增长近24%，是修建立交的主要原因。镇政府表示，立交开通后将方便居民前往已获批的好市多、金苏普斯超市与HCA HealthONE医院等新设施。
Colorado's Crystal Valley Interchange in Castle Rock Opens Nov. 14; $150 Million Project Finished Eight Months Early
The Crystal Valley interchange on Interstate 25 in Castle Rock, Colorado, opened its southbound on- and off-ramps over the weekend of Nov. 14-15, bringing the full interchange into service. The project cost about $150 million, was completed within budget, and finished eight months ahead of schedule. The interchange is located at Exit 179 on Interstate 25, connecting the Crystal Valley and Dawson Trails communities, and serves as the entrance to the Crystal Valley business district. The northbound ramps opened earlier this year, and traffic at the nearby Plum Creek interchange has fallen by about half since then.
Project funding included $53.6 million from developers, $24 million from Douglas County for the interchange and $11 million for a west-side frontage road, plus an $8.9 million grant from the Denver Regional Council of Governments and a $5.4 million federal Department of Transportation BUILD grant. Douglas County's population has grown nearly 24 percent over the past decade, the main reason for building the interchange. The town said the interchange will make it easier for residents to reach newly approved facilities including Costco, King Soopers supermarket, and HCA HealthONE hospital.
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图片来源：图：卡斯尔罗克附近的25号州际公路（资料图），水晶谷立交位于该路179号出口。来源：Wikimedia Commons，CC BY-SA 4.0。 / Photo: Interstate 25 near Castle Rock (file photo); the Crystal Valley interchange is at Exit 179 on this highway. Source: Wikimedia Commons, CC BY-SA 4.0.
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