When winter settles down upon the highways of 36 states that make up America’s great snowbelt, an army of plows begins the annual battle against the blockade of the national transportation system, and 10,000 miles of snow fence are standing guard against the onslaught of snow-laden gales. So indispensable has become the unimpeded movement of an endless caravan of motor vehicles in the delivery of goods and passengers to otherwise isolated communities that winter maintenance is now a function of tremendous public consequence, and a problem which the highway engineer must face intelligently and stubbornly.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.