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The problem of snow vehicle routing incorporates higher salaries for vehicle drivers and high fuel costs and high costs of purchasing and maintaining snow vehicles. In the public sector, the objective is less often minimizing cost and more often maximizing safety and convenience, for example by reducing the number of left turns on major roads ...
With the advent of rail travel and later, the automobile, a number of inventors set about to improve existing snow plows. In the US, the "snow-clearer" is said to have been patented as early as the 1840s, [8] for railways. The first snow plow ever built specifically for use with motor equipment was in 1913.
The SnoGo Snow Blower was used on the Trail Ridge Road in Rocky Mountain National Park, United States. Manufactured in 1932 by the Klauer Engineering Company of Dubuque, Iowa, the plow was actually a snowblower and featured advanced features such as an enclosed cab, four wheel drive and roll-up windows. It was used in the park until 1952.
The wedge plow or Bucker plow was first developed by railroad companies to clear snow in the American West. The wedge plow forces snow to the sides of the tracks and therefore requires a large amount of force due to the compression of snow. The wedge plow is still in use today in combination with the high-maintenance rotary snowplow.
Northern end of US 258 Truck / NC 903 concurrencies; southern end of US 13 concurrency 96.8: 155.8: US 13 south – Goldsboro: Northern end of US 13 concurrency: Wilson: Stantonsburg: 109.8: 176.7: NC 111 north / NC 222 east (Saratoga Street) – Saratoga: Southern end of NC 111 / NC 222 concurrency: 110.2: 177.3: NC 111 south / NC 222 west ...
North Carolina Highway 268 Alternate (NC 268A) was established in 1940 as a renumbering of NC 268. This short 0.18-mile-long (0.29 km) route serves as a cutoff between NC 268 and NC 18; it is four-lanes throughout. Signage at the location only indicate it as part of NC 268; however, NCDOT county maps identify it specifically as NC 268A. [14]
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In 1929, NC 90 extended east from Columbia to Fort Landing. In 1932, US 64 was established and was overlapped on NC 90 from just west of Statesville to Fort Landing. In late 1934, NC 90 was removed from all overlap with US 64 east of Statesville; at same time, NC 90 was extended west from Lenoir to US 221 near Linville, replacing NC 171.