28. 2012 年，关岛政府公共工程部制定了关岛 2012 年至 2015 年各财政年度交通改良计划。该计划提供了一份短期项目清单，以便与联邦公路管理局磋商并参考公众的意见和建议，解决安全问题、人行道及桥梁状况和交通运营问题。2015年 6 月 12 日，该部核准了该计划的一项修正案，以反映供资水平的变化和重新规划的项目。
28. In 2012, the Department of Public Works of the Government of Guam developed the Guam transportation improvement plan for fiscal years 2012 to 2015. It provides a list of short-term projects addressing safety issues, pavement and bridge conditions and traffic operations, in consultation with the Federal Highway Administration and with input from the public. On 12 June 2015, the Department approved an amendment to the plan reflecting changes in funding levels and the reprogramming of projects.