Scars are unique â and so is the healing process. Each phase demands an individualized amount of time to reach completion. In general, however, patients can expect: Inflammatory Phase: 1 to 3 days.
U.S. Route 20 (US 20) is an eastâwest United States highway. The 0 in its route number indicates that US 20 is a coast-to-coast route. Spanning 3,365 miles (5,415 km), it is the longest road in the United States, and the route roughly parallels that of Interstate 90 (I-90). There is a discontinuity in the official designation of US 20 through Yellowstone National Park, with unnumbered roads used to traverse the park. It and US 30 break the general U.S. Route numbering rules in Oregon, since US 30 actually starts north of US 20 and runs parallel to the north throughout the state.
The longest Interstate is I-90, traveling from Seattle, WA to Boston, MA over 13 states for a total distance of 3,020.54 miles. On the other end of the spectrum is Interstate 97, the shortest mainline Interstate.