Moving on from Spatial Data Quality in GIS Special Topics, the next Lab focuses on surfaces with a comparison of the Digital Elevation Model (DEM) and Triangular Irregular Network (TIN). A surface in GIS is a geographic phenomena represented as continuous data. Continuous spatial data references geographic objects characterized by very gradual boundaries such as temperature or elevation. The most common way to represent elevation data is with contour [...]
Number of pages converted Remaining html pages We are steadily making progress with the site wide conversion for the remaining html pages. The bulk of what remains is in California, and the Westerns states in general, in addition to 200 plus pages on SouthEastRoads.com. It will be some time before we can get through them all, and in the meantime we will mix in some new content [...]
Recently completed was the second phase of a long term project in the southwest Kansas City metropolitan area. Known as the Johnson County Gateway project, the $600 million, three-phase construction added high speed flyovers and collector distributor roadways and widened roadways to both improve traffic flow and better separate ingress and egress movements. Considered to be the most congested interchange in the state, the junction of Interstate 35, Interstate 435 [...]
The last day of our eight day trek through the Upper Midwest took us from the Quad Cities area back to Chicago before heading southward to home. Leaving around lunchtime, we traveled I-74 through Bettendorf and Moline, catching a glimpse of the current utility work being performed in preparation of the I-74 rebuild across the Mississippi River. We then hooked up with I-80 east toward Lasalle and Joliet. [...]
The longest swath of the Fourth of July trip that we’ll feature in one set of photos: about 800 miles covered in this burst. Continuing on US-212 across eastern Montana, to get to South Dakota, and then driving through the Black Hills at the time of day when they are the blackest. We then continue into Nebraska, and drive US-20 east all the way to Iowa. Endless fields of yellow [...]
The Big Roads takes an in depth look at the history of the American interstate highway system through the experiences and research of one of its inspired travelers. With origins in groups such as the Lincoln Highway Association to the 1914 creation of the American Association of State Highway Officials (AASHO) through to the rise of the modern Interstate Freeway in 1956 and their fall during the freeway revolts of [...]
