Table 4 Results of measurement of road by roadscape type

Gaze direction Roadscape type Number Length (km) Percentage (%)
Gaze vertical to contour line A Ridge road looking down at the sea 2 0.68 2.58
B. Valley road looking down at the sea 4 1.31 4.98
C. A sloping road looking down at the sea 40 6.41 24.35
Gaze vertical to the coastline D. A level road approaching Busan Port 16 1.67 6.35
E. Dead end reaching Busan Port 7 1.79 6.80
Gaze parallel to the contour line F. A coastal route 4 3.48 13.22
G. Road the side of a hill looking down at the sea 33 9.68 36.78
Gaze complex H. A road spur of a hill the sea will appear 1 1.04 3.95
I. Hillside road the sea will appear 1 0.26 0.99
Total 108 26.32 100