An integrated transport system in metropolitan cities has a resilient contribution for morernsustainable urban development. Nevertheless, its potential role for the citiesâ€™ sustainabilityrnmainly in developing countries has not been realized. Thus, building on the notion ofrnenvironmental wisdom, this study intended to explore integrating transport system in AddisrnAbaba and its challenges and opportunities by taking Addis Ababa City mini-bus taxi transportrnas a case. To this end, the study employed a concurrent mixed methods approach. The targetrnpopulations of the study include experts, chief heads of the AACTA, AACTMA, AACDLA,rndrivers, and traffic police among others. Total of 176 experts and professionals were employed.rnBoth probability (proportionate random sampling based on gender) and the non-probabilityrn(purposive and convenient) sampling methods were employed to select sample respondents fromrnthe studyâ€™s target population groups. Pertinent data was gathered through questionnaire, deeprninterviews, in addition to reviewing documents such as books and journal, articles and policyrnmanuals. Finally, data gathered from both primary and secondary sources were analyzed inrnconformity with the underlying principles of a concurrent mixed methods research strategyrnwhilst also meeting ethical standards in the scientific research. Results of the study revealed thatrnthere are several physical-based transport developments in Addis Ababa, however, Addis Ababarnpublic transport particularly taxi mode of transport lacks integration in view of environmentalrnwisdom. To help the sector to exercise environmental friendly transport system,rnrecommendations like respective stakeholders and publicsâ€™ awareness should be promoted; shortrnand long term trainings which focus on climate resilient green transport system should be given;rnprivate cars should be restricted- roads should not be permitted during peak hours and ticketrnbased or e-card payment for taxi service be introduced.