This project is part of the Public Utility Vehicle Modernization Program of the Department of Transportation (DOTr).

[3][4] Coordination between the ADB and the City Government of Davao progressed in 2017 during the term of former mayor Sara Duterte.

Implementation of the High Priority Bus Project (HPBS) was expected to begin during 2019 with the funding of ADB through an Official Development Assistance agreement.

[5] The project also coincided with the Public Utility Vehicle Modernization Program (PUVMP) of country under former president Rodrigo Duterte.

[8] With the approval of the National Economic and Development Authority on the project, the budget was expanded to ₱18.6 Billion, with 29 routes throughout the city and is divided into 4 tiers.

[10] But with the outbreak of the COVID-19, the implementation of the project was uncertain and put on hold due to lockdowns and resources being diverted to curb the effect of the pandemic.

[11] An Interim Bus System was launched in preparation to the project with routes to Toril and Catalunan Grande.

[13] The formal contract signing of the loan agreement happened in July with ADB officials and the Philippine Government led by president Bongbong Marcos[14] And in 2024, contracts for the civil works of the project which includes bus stops, bus lanes, depots, and terminals of the projects were signed.