This study aims to analyze Corporate Governance practice and design a roadmap implementation of Good Corporate Governance in PT JW. Data used on this study is generate from internal document and interview with Audit Committee, Audit Internal, and General Department. The analysis done by giving the score for corporate governance practice in PT JW with Assessment and Evaluation Indicator/Parameter of Good Corporate Governance for State Owned Enterprise tools and also ASEAN CG Scorecard as a supplementary tools after doing the first stage analysis regarding congruity item with characteristic and some other regulation related Regional Owned Enterprise. The result show that there still many of deficiencies on the Corporate Governance practice in PT JW, therefore the roadmap implementation is required to do the sustainable improvement of Corporate Governance practice. The roadmap implementation separated into 3 dimension of time which short-term, mid-term and long-term to ensure PT JW can make a suistanable improvement on Corporate Governance practice.