Portal:Colorado

Interstate 70 (I-70) is a transcontinental Interstate Highway in the United States, stretching from Cove Fort, Utah, to Baltimore, Maryland. In Colorado, the highway traverses an east–west route across the center of the state. In western Colorado, the highway connects the metropolitan areas of Grand Junction and Denver via a route through the Rocky Mountains. In eastern Colorado, the highway crosses the Great Plains, connecting Denver with metropolitan areas in Kansas and Missouri. Bicycles and other non-motorized vehicles, normally prohibited on Interstate Highways, are allowed on those stretches of I-70 in the Rockies where no other through route exists.

The United States Department of Transportation (USDOT) lists the construction of I-70 among the engineering marvels undertaken in the Interstate Highway System and cites four major accomplishments: the section through the Dakota Hogback, Eisenhower Tunnel, Vail Pass, and Glenwood Canyon. The Eisenhower Tunnel, with a maximum elevation of 11,158 feet (3,401 m) and length of 1.7 miles (2.7 km), is the longest mountain tunnel and highest point along the Interstate Highway System. The portion through Glenwood Canyon was completed on October 14, 1992. This was one of the final pieces of the Interstate Highway System to open to traffic and is one of the most expensive rural highways per mile built in the country. The Colorado Department of Transportation (CDOT) earned the 1993 Outstanding Civil Engineering Achievement Award from the American Society of Civil Engineers for the completion of I-70 through the canyon. (Full article...)

State Highway 112 (SH 112) is a 27.802-mile-long (44.743 km) state highway in southern Colorado. Built in 1916 and formally defined in 1922, the route begins at its western end in Del Norte at a junction with U.S. Highway 160 (US 160). From there the road travels east crossing US 285 two miles (3.2 km) west of Center before reaching its eastern terminus at Hooper where it meets SH 17. (Full article...)

Rocky Mountain National Park

The 23 national parks in Colorado:

• Amache National Historic Site
• Arapaho National Recreation Area
• Bent's Old Fort National Historic Site
• Black Canyon of the Gunnison National Park
• Browns Canyon National Monument
• Camp Hale-Continental Divide National Monument
• Canyons of the Ancients National Monument
• Chimney Rock National Monument
• Colorado National Monument
• Continental Divide National Scenic Trail
• Curecanti National Recreation Area
• Dinosaur National Monument
• Florissant Fossil Beds National Monument
• Great Sand Dunes National Park and Preserve
• Hovenweep National Monument
• Mesa Verde National Park and World Heritage Site
• Old Spanish National Historic Trail
• Pony Express National Historic Trail
• Rocky Mountain National Park
• Sand Creek Massacre National Historic Site
• Santa Fe National Historic Trail
• Yucca House National Monument