On August 1, 2007, the collapse of the I-35W bridge over the Mississippi River in Minneapolis abruptly interrupted the usual route of about 140,000 daily vehicle trips, which substantially disturbed regular traffic flow patterns on the network. It took several weeks for the network to...

This economic study was conducted to compare the cost of transporting coal from mines to power plants by coal log pipeline with other modes of transportation including truck, rail and coal slurry pipeline. Unit cost is defined here as the cost of transporting a metric ton of coal for any...