Axle Weight Pilot Project Finished August 26, 2019
The objective of the pilot project was to develop a database that will help standardize the way allowable gross weights and axle weights are collected, stored and used for compliance.
TEMPLATE Letter for Members to Use to Submit Responses to ERO Posting on Growth Plan February 13, 2019
The government has submitted a proposal to make Modifications to O. Reg. 311/06 (Transitional Matters - Growth Plans) made under the Places to Grow Act, 2005 to implement the Proposed Amendment to the Growth Plan for the Greater Golden Horseshoe, 2017. OSSGA has made the point to the government that the current policy framework is not working. Approvals for new mineral aggregate operations in Southern Ontario are taking up to 10 years to complete the process. There are too many overlapping policies and inconsistent approaches between the Provincial Plans, Regional Official Plans, Local Official Plans and Conservation Authority policies regarding the management of this essential non-renewable resource.
Specification Alert February 6, 2019
Please be advised that there have been changes made to Aggregate Specifications for OPSS 1002, April 2018. This revised specification has been included in several MTO tender documents recently, most notably MTO Contract #2018-2024, Hwy 400 & Hwy 89 Interchange, Closing Feb. 14, 2019 and has raised concerns with many suppliers.
Avenues Winter 2019 Issue Now Available! February 5, 2019
The newest Winter 2019 issue of Avenues Magazine is now available online!

MNR Debuts ’Pits & Quarries Online’

May 31, 2013

OSSGA is pleased to announce that the ministry has now finalized the web-based application, Pits and Quarries Online.

This application is an interactive mapping tool (using Google Maps) that was developed to enhance information access and transparency. Pits and Quarries Online allows members of the public to search for the location of aggregate operations, view individual site information, and create and export information into a table format.

Additional information, including frequently asked questions and a user guide, are also available online to assist those interested in learning more about the online application.
Pits and Quarries Online is available on the Ministry of Natural Resources’ website at the link below:

For more information about Pits and Quarries Online, please contact:
Pauline Desroches, Manager – Lands and Non-Renewable Resources Section by phone 705 755 2140, or by e-mail at, or
Sean Tutak, Policy Advisor, by phone 705 755 5955, or by e-mail at