The purpose of this research is to determine how municipalities with a high concentration of aggregate extraction operations function within the broader aggregate legislative framework. The goal of this research is to examine the Aggregate Resources Act (ARA), Provincial Policy Statement (PPS), Planning Act, and other relevant legislation relating to aggregate extraction to determine what impacts they are having collectively and individually on municipal decision-making. The objectives of this research are as follows: Identify specific policies and sections of aggregate legislation that are impacting municipalities the most; Identify specific actions taken by municipalities to gain some control over the approval of aggregate applications; Gauge the effectiveness of provincial aggregate policies from a municipal perspective; and Determine the impact of provincial land-use legislation on the Town of Caledon and the Town of Puslinch. The main question that my research seeks to answer is: how can the institutional framework in Ontario on aggregate extraction be made more equitable for municipalities without compromising our future need for aggregates.