Policy target		Policy	UHI-related policy	Supplementary effects	Effect target	Effect variables (road traffic status data/degree of variability in traffic status)
Policy target		Policy	UHI-related policy	Supplementary effects	Effect target	Road length	Number of vehicles	Running speed	Road width	Number of traffic signals
A.	Transport framework/fuel	No. 1	Spread of low-emission vehicles (hybrid)	Improvements in fuel consumption	Moving targets	○	Diffusion rate	○	×	×
A.	Transport framework/fuel	No. 2	Suppression of waste heat through choice of fuel burned (bioethanol)	Improvements in fuel consumption		○	Diffusion rate	○	×	×
B.	Road/road surface construction	No. 3	Improvement of traffic flow by securing space for cyclists and pedestrians	Improvements in running speed		○	○	Progress rate	×	×
		No. 4	Development of bypasses	Improvements in running speed		○	○	Progress rate	×	×
		No. 5	Improvement of access roads to airports and ports	Improvements in running speed		○	○	Progress rate	×	×
		No. 6	Special road surfaces (water-holding surfaces)	Reduction in heat storage volume	Stationary targets	○	×	×	○	×
C.	Road equipment	No. 7	Increase in efficiency of energy consumption equipment (changing signal lights to LED)	Increase in efficiency of equipment	Stationary targets	×	×	×	×	Diffusion rate
		No. 8	Upgrading signal control	Improvements in running speed	Moving targets	○	○	Progress rate	×	×
		No. 9	Diffusion of ETC	Improvements in running speed	Moving targets	○	Diffusion rate	Progress rate	×	×