| Effect target | Initial variables | Explanation | Source |
| Moving target | Waste heat coefficient by model speed Cv [J/(km∙number)] | Convert with waste heat by model 4.1858 [kJ/kcal] per source speed | Ministry of Land, Infrastructure, Transport and Tourism/Ministry of the Environment (2004) Survey of Heat Island Mitigation through Artificial Exhaust Heat Control in Urban Areas 2003 |
| Stationary target | Road surface waste heat coefficient CR [J/m2] | Asphalt road surface temperature set at 63[˚C] [Test value] (1 day’s worth of waste heat volume 6.24 × 104 [kJ/m2] according to the Stefan-Boltzmann Constant) | Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism (2004) The Challenge of alleviating the Heat Island Phenomenon on Roads―Results of the Tokyo Environmental Surface Project (press conference documents, 25th May, 2004) |
| Number of traffic signals S [number] | Number of traffic signals per intersection set at 4 | Japan Society of Traffic Engineers Results of Responses to Enquiries to Road Traffic Census Support Staff 2005 | |
| Traffic signal waste heat coefficient CL [J/number] | Bulbs used determined as 70 W [Document value] (1 day’s worth of waste heat 6.0 × 103 [kJ/number]) | National Police Agency Conversion of Traffic Signals to LED |