The case of default committed by CV. Sutra Bumi against the Public Works Agency of Lampung Barat Regency in the procurement of goods and services in the form of the construction of the Way Ngison - Phiton road which was carried out in 2023 based on the Work Agreement (Contract) Number: 600/013 / KTR / PB.7 / III.03 / III / 2003 dated July 28, 2023, which was only sued in 2024. The purpose of this study is to determine how the implementation of the road construction contract agreement between the Public Works Agency of Lampung Barat Regency and CV. Sutra Bumi and what are the obstacles and efforts in completing the road construction. The research method used in the study is the normative legal approach method and empirical legal. The data used are secondary data and primary data. Then the data is analyzed using qualitative legal analysis. Based on the results of the research and discussion, it can be concluded that the implementation of the contract agreement is stated in the construction work agreement made by the service user and service provider, so that this agreement does not cause any problems related to the progress of the construction work that has been carried out. The implementation of the contract has been in accordance with the contents of the contract where the contract period. Constraints and efforts in completing the road work are not in accordance with the agreement that has been made: a) Due to the unavailability of materials causing delays in previously scheduled work. b) Waiting for materials that often occurs will cause a major impact, especially for large-scale projects that use a lot of labor, especially on the Hotmix Road project. c) In addition, other factors that cause waiting times for material procurement where the budget needed for asphalt material procurement is very large, while in the field the need for the budget is not met.