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Three veteran NASA X-15 pilots (John B. McKay, William H. Dana and Joseph Albert Walker) were retroactively (two posthumously) awarded their astronaut wings, as they had flown between 90 km (56 miles) and 108 km (67 miles) during the 1960s, but at the time had not been recognized as astronauts. [11]
Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at 3,021 miles (4,862 km). It begins in Seattle, Washington , and travels through the Pacific Northwest , Mountain West , Great Plains , Midwest , and the Northeast , ending in Boston , Massachusetts.
San Francisco is an extreme example: water makes up nearly 80% of its total area of 232 square miles (601 km 2). In many cases an incorporated place is geographically large because its municipal government has merged with the government of the surrounding county.
The plane crashed 90 nautical miles (167 km) off the North Korean coast and all 31 Americans (30 sailors and 1 Marine) on board were killed, which constitutes the largest single loss of U.S. aircrew during the Cold War era.
The Winter Park Express is a passenger train operated by Amtrak on winter weekends between Denver Union Station and Winter Park Resort, Colorado.The scenic 56-mile (90 km) route uses the same line as the California Zephyr, climbing 4,000 feet (1,200 m) into the Front Range and passing through 30 tunnels—including the historic 6.2-mile (10.0 km) Moffat Tunnel under the Continental Divide ...
In Iowa, the majority of highways have a 55 mph (90 km/h) speed limit. Rural Interstate Highways carry a 70 mph (115 km/h) limit and a 40 mph (65 km/h) minimum. Urban Interstate limits generally range from 55 to 65 mph (90 to 105 km/h), but may be lower in areas. Four-lane roads may have a 65 mph (105 km/h) limit.
Currently, US 93 through Kalispell is Main Street and Sunset Boulevard, a 25 to 45 mph (40 to 70 km/h) arterial. Three segments of the bypass comprising a total of 4.5 miles (7.2 km) were completed and opened to traffic between 2010 and 2013. The remaining three miles (4.8 km) opened on October 28, 2016. [10]
At the time, the 348-mile-long (560 km) Sunset Highway had 256 miles (412 km) with gravel paving, 70 miles (110 km) with cement pavement, 7 miles (11 km) with macadam, 6 miles (9.7 km) with bricks, and 4 miles (6.4 km) with asphalt concrete; only 3 miles (4.8 km) of the highway remained without any sort of pavement beyond graded dirt. [87]