The Medan-Berastagi route in Indonesia is facing increasing strain, exceeding its original capacity as a simple connector between the city of Medan and the Karo highlands. This route functions as a critical economic artery, facilitating the transport of food supplies, supporting tourism, and serving as a key logistics corridor. Its importance extends beyond mere transportation, impacting regional commerce and accessibility. The current infrastructure is no longer adequately meeting the demands placed upon it. This poses potential challenges for the economic stability of the region and access to essential goods and services. Authorities are likely to face pressure to address the growing limitations of this vital transportation link.