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The High Five in Dallas, Texas.This is a complicated five-level stack interchange, due to the proximity of frontage roads and segregated high-occupancy vehicle lanes.This hybrid design is based on parts of a four-level stack for highways, with a three-level-diamond interchange to handle the frontage roads.
A directional interchange is a grade separated junction between two roads where all turns that require crossing over or under the opposite road's lanes of travel to complete the turn utilize ramps that make a direct or semi-direct connection. The difference between direct and semi-direct connections is how much the motorist deviates from the ...
This is usually due to the lack of an old highway, the need to provide access to property that was accessed via the road prior to its upgrade to an Interstate, and the high cost to construct an interchange for the small amount of traffic that would use such a connection or to build a frontage road parallel to the freeway to the nearest interchange.
The roads are easily drivable and the water lines work. But the road to New River Lake Estates hugs the Trinity, and the river is taking more land every year. When it floods, there’s only one ...
Besides the direct habitat loss due to the road itself, and the roadkill of animal species, roads alter water-flow patterns, increase noise, water, and air pollution, create disturbance that alters the species composition of nearby vegetation thereby reducing habitat for local native animals, and act as barriers to animal movements.
Diamond interchange An interchange between a freeway and a minor road where the off-ramp diverges only slightly from the freeway and runs directly across the minor road at an at-grade intersection, becoming an on-ramp that returns to the freeway in similar fashion. Directional interchange. See stack interchange. Distributor road. See collector road
John C. Young, who oversees the water and sewer board in Prichard, Alabama, calls it being stuck "between a rock and a hard place." That community loses roughly 60% of its treated water.
East Los Angeles Interchange; El Toro Y, at convergence of I-405 with I-5, in El Toro, California. This was thought to be one of the most congested interchanges in the world at one time. Four Level Interchange (1949), US 101 & SR 110; Hollywood Split; Joe Colla Interchange; Judge Harry Pregerson Interchange, I-110 and I-105; Kellogg Interchange ...