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The MTA revealed Monday that it plans to shut down entire sections of subway lines overnight for several different periods to complete track work and maintenance, rather than do the repairs in pieces on weekends.
Transit officials plan to pilot the unprecedented program on the Lexington Avenue line between Grand Central Terminal and Atlantic Avenue starting Jan. 9 by shutting down parts of the 4, [...]
Separate cost factors are used for urban and rural areas. In urban areas, widening costs are further disaggregated by the type of roadway (freeways, other divided highways, and undivided roads), and vary from $2.4 million to $6.9 million per lane-mile. In rural areas, costs depend upon highway functional class (Interstates, arterial roads, and collectors) and terrain type, and range from $1.6 million to $3.1 million per lane-mile.
A little old (early [...]