Rapid development and illegal logging activities resulting in landslides and flash floods have brought the issue of sustainable stormwater management to the fore. Stormwater management is a process of managing stormwater, reducing the runoff water from the highway, treating and diverting it. This is an important aspect of green highway development. This study aims to identify the sub-criteria of stormwater management towards developing green highway. Survey method was adopted to determine the significance of stormwater for developing green highway. Data obtained from 142 respondents representing concessionaires and relevant authorities was analysed. Results showed that all the sub-criteria are important to be included in the assessment of green highway.