1.The “Suhua Highway” is the only main arterial connecting the northern and eastern areas of Taiwan.
2.Much of the road was built alongside steep narrow cliffs because of the extremely rugged terrain.
3.With falling rocks a constant threat after heavy rains, typhoons and earthquakes, the road was closed an average of 28 times a year with some closures lasting up to four days.
4.With an average of 109 serious traffic accidents each year, a safer all-climate road must be provided to users and residents.
5.Besides serving the East Coast residents, the highway is a major conveyance route for transporting mineral resources.