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There are about four million miles of public roads in the U.S. and 8.3 million lane miles. The preponderance (76 percent of lane miles) of covered public roads in the U.S. are two-lane rural highways, and the rest is a city and provincial multilane roadways. Nowadays, the road network is growing slowly, having only 55 thousand lane miles constructed within 1987 and 1997 (less than 0.2 percent gain per year). Approximately 80 percent of the enlargement to the system is from road widening.
The map below shows all road networks of the United States.
The contiguous U.S. mapped only by dirt trails, roads & highways
The most prevalent suffix is “Road” or “Rd,” and it is typically the only suffix used in New Hampshire, Maine, and Vermont. In considerable parts of Texas, Colorado, and New Mexico, “City Rd” is more broadly used. Almost the whole of Iowa uses “Street,” along with large parts of Minnesota, North, and South Dakota. The use of “State Rd” and “State Route” is limited to Virginia and North Carolina.
Reddit user: cremepat
Avenue (Ave) is a large city road City Road (Cty Rd) is a county road Court (Ct) is a road that ends with a cul de sac Drive (Dr) is a neighborhood road Lane (Ln) is either a one-lane road or a city street Road (Rd) is a long traveling road Street (St) is a city road
