Context: With the automobile being the primary means of transportation for over 80 percent of its residents, San Diego is served by a network of freeways and highways. This includes Interstate 5, which runs south to Tijuana and north to Los Angeles; Interstate 8, which runs east to Imperial County and the Arizona Sun Corridor; Interstate 15, which runs northeast through the Inland Empire to Las Vegas and Salt Lake City; and Interstate 805, which splits from I-5 near the Mexican border and rejoins I-5 at Sorrento Valley.

Question: What major interstate runs from Tijuana to Los Angeles?
Answer: Interstate 8

Question: Where does Interstate 805 split from I-5?
Answer: near the Mexican border

Question: Which interstate directly connects the east with the Arizona Sun Corridor and Imperial County?
Answer: Interstate 8

Question: What two major cities are Inland Empire connected to via Interstate 15?
Answer: Las Vegas and Salt Lake City

Question: What percentage of San Diego's residents rely on theri automobile as a primary source of transportation?
Answer: over 80 percent

Question: What minor interstate runs from Tijuana to Los Angeles?
Answer: Unanswerable

Question: Where does Interstate 805 split from I-6?
Answer: Unanswerable

Question: What two major cities are Inland Empire connected to via Interstate 51?
Answer: Unanswerable

Question: What percentage of San Francisco's residents rely on their automobile as a primary source of transportation?
Answer: Unanswerable