Context: On 3 November 2007, the Sichuan Transportation Bureau announced that the Sui-Yu Expressway was completed after three years of construction. After completion of the Chongqing section of the road, the 36.64 km (22.77 mi) expressway connected Cheng-Nan Expressway and formed the shortest expressway from Chengdu to Chongqing. The new expressway is 50 km (31 mi) shorter than the pre-existing road between Chengdu and Chongqing; thus journey time between the two cities was reduced by an hour, now taking two and a half hours. The Sui-Yu Expressway is a four lane overpass with a speed limit of 80 km/h (50 mph). The total investment was 1.045 billion yuan.

Question: How long did it take to complete the Sui-Yu Expressway?
Answer: three years

Question: After the newest expressway was completed, what was the new travel time between Chengdu and Chongqing?
Answer: two and a half hours

Question: What is the speed limit on the Sui-Yu Expressway?
Answer: 80 km/h (50 mph)

Question: What was the total cost of the Sui-Yu Expressway?
Answer: 1.045 billion yuan

Question: How many lanes make up the Sui-Yu Expressway?
Answer: four lane

Question: What did construction begin on in Nov 2007?
Answer: Unanswerable

Question: What took 3 years of planning?
Answer: Unanswerable

Question: What was the longest espressway from Chengdu to Chongqing?
Answer: Unanswerable

Question: What is the expressway 50 km longer than?
Answer: Unanswerable

Question: How long did it take to complete the total investment?
Answer: Unanswerable

Question: After the newest expressway was completed, what was the new travel time between Chengdu and Cheng-Nan?
Answer: Unanswerable

Question: What is the speed limit on the Chengdu expressway?
Answer: Unanswerable

Question: What was the total cost of the Chengdu expressway?
Answer: Unanswerable

Question: How many lanes make up the Chengdu expressway?
Answer: Unanswerable