U.S. Route 6 in Utah partially coincident with U.S. Route 89 in Utah
Eastern Utah
SR-198 rejoins US-6 on the eastern outskirts of Spanish Fork, and soon thereafter US-89 joins at Moark Junction. The two routes—US-6 and US-89—begin an overlap here, alongside the UP Provo Subdivision (ex-Denver and Rio Grande Western Railroad), following the Spanish Fork. The remainder of US-6 to the Colorado state line parallels this rail line (which becomes the Green River Subdivision at Helper). The three routes follow the Spanish Fork to Thistle where US-6 and US-89 separate.
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