Abstract
Awareness of the importance of sustainable development has made many governments prioritize the adoption of green measures. The road infrastructure sector is no stranger to this and has been transforming its processes in such a way that they incorporate more sustainable practices. However, the inclusion of this type of practice has not been an easy task, since the adoption of these practices results from a decision-making process that is affected by the context of potential adopters, as well as other external parameters such as institutional, environmental, socioeconomic factors, etc. This study aims to identify the main variables that affect the adoption of sustainable practices in the development of roadways in Colombia. Through the application of the Bass Diffusion model concept, the most influential variables were identified and a Causal Loop Diagram (CLD) was built to understand the dynamics and feedback processes between them. External variables such as the popularity of the green technique, guidelines existence, and costs associated with them are significantly influential in the inclusion of green measures. Additionally, the level of influence of each variable is assessed through the formulation of a system dynamics model and the evaluation of different scenarios. Finally, a set of recommendations to overcome barriers in the process of green measures adoption is given. This model can be used as a support tool in formulating strategies that promote sustainable practices in road development.
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