What does $5 billion buy? According to Sen. Ted Cruz (R-Texas), a supporter of this wall, this money would pay for 215 miles of fencing. The land border is 1,954-miles long, and about 700 miles of fencing already exists and is located primarily in border towns and other high-traffic zones. Unfenced areas of the border are in remote regions with much less traffic.
Source: latimes.com – Los Angeles Times