Threat level: Traffic lined up for more than a half-mile at the Springdale entrance of Zion ... gate booths were understaffed. The backup came on the heels of cuts to about 1,000 National Park ...

Zion National Park’s Zion-Mount Carmel Highway and its historic bridges and tunnel offer the fastest route between Zion, Bryce Canyon and Grand Canyon national parks. The famous tunnel was the ...