Rendering image of the platform area of the future High Tech Station.

Yonge North Subway Extension

Extending Line 1 subway service nearly 8 km north from Finch Station to Richmond Hill.

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The community notices and bulletins below include both current and archived information. To quickly find active construction notices for your neighbourhood, use our interactive map.

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Community notices

Date	Document Name
2026/10/23	Phase Two Environmental Site Assessment (ESA) at 8675 Yonge Street
2026/10/12	Building demolition along Yonge Street, near Royal Orchard Boulevard
2026/10/12	Building demolition along Yonge Street, Clark Avenue and Morgan Avenue
2026/09/26	Temporary Weekend work at Yonge and John streets
2026/08/04	Piling work begins on Yonge Street south of John Street
2026/07/09	Demolition of Hudson's Bay at Centerpoint Mall
2026/07/03	Residential demolitions at Kirk Drive
2026/06/23	UPDATED: Road widening on Yonge Street south of John Street
2026/06/23	UPDATED: Median removal at Yonge Street and John Street
2026/06/22	Phase 2 Environmental Site Assessment at 1 Royal Orchard Boulevard
2026/06/22	Phase 2 Environmental Site Assessment at 7697 Yonge Street
2026/06/15	Geotechnical and hydrogeological investigations at 5760 Yonge Street
2026/06/08	Residential demolitions at Steeles Avenue East and Nipigon Avenue
2026/06/03	Updated: Phase 2 Environmental Site Assessment (ESA) at 8725 Yonge Street
2026/06/03	Updated: Phase 2 Environmental Site Assessment (ESA) at 128, 130 & 132 Kirk Drive
2026/06/03	Updated: Phase 2 Environmental Site Assessment (ESA) at 8675 Yonge Street
2026/05/25	Phase 2: Environmental Site Assessment (ESA) at 12 Morgan Avenue
2026/05/18	Phase 2: Environmental Site Assessment (ESA) at 128, 130 & 132 Kirk Drive
2026/05/11	Phase 2: Environmental Site Assessment (ESA) at 8675 Yonge Street
2026/05/11	Phase 2: Environmental Site Assessment (ESA) at 30 High Tech Road
2026/05/11	Phase 2: Environmental Site Assessment (ESA) at 8725 Yonge Street
2025/05/06	Phase 2: Environmental Site Assessment (ESA) at 7 & 9 Clark Avenue
2026/04/28	Closure of Langstaff GO South parking lot
2026/04/27	UPDATED: Tree removals at 8000 Yonge Street
2026/04/01	Road widening on Yonge Street south of John Street
2026/04/01	Median removal at Yonge Street and John Street
2026/03/26	Tree removals at 128, 130, 132 Kirk Drive
2026/03/16	Tree Removals around Langstaff GO Station
2026/03/11	Tree removals on Yonge Street, south of John Street
2026/02/25	Installation of underground monitoring equipment on Thornhill Avenue, west of Yonge Street
2026/02/23	Short-term drilling and testing work at 6464 Yonge Street
2026/02/23	Installation of underground monitoring equipment on Longbridge Road, west of Yonge Street
2026/02/18	Installation of underground monitoring equipment on Highland Park Blvd. east of Yonge Street
2026/02/18	Installation of underground monitoring equipment on Centre Street, west of Yonge Street
2026/02/18	Installation of underground monitoring equipment on Clark Avenue, west of Yonge Street
2026/02/16	Short-term drilling and testing work at 7994 Yonge Street
2026/02/16	Building demolition by Yonge Street and Steeles Avenue
2026/02/16	Tree removals along Yonge Street, Steeles Avenue East and Nipigon Avenue
2026/02/16	Tree removals along Morgan Avenue, Glen Cameron and Yonge Street
2026/02/16	Tree removals and archeological investigations at 8000 Yonge Street
2026/02/12	Utility survey test pit investigations at 7967 Yonge Street
2026/02/10	Installation of underground monitoring equipment on Connaught Avenue, west of Yonge Street
2026/02/09	Installation of underground monitoring equipment on Hendon Avenue and Duplex Avenue
2025
2025/11/26	Early construction work at tunnelling launch shaft site
2025/11/17	Geotechnical investigation work at 7359 Yonge Street
2025/11/17	Geotechnical investigation work at 7335 Yonge Street
2025/11/06	Phase 2: Environmental Site Assessment (ESA) at 6369, 6991 & 6995 Yonge Street.
2025/09/22	Geotechnical Investigation work at 11 & 13 Steeles Avenue
2025/09/22	Geotechnical Investigation work at 7994 Yonge Street
2025/09/22	Geotechnical Investigations in railway corridor north of 16th Avenue
2025/08/05	Geotechnical investigations in railway corridor north of 16th Avenue
2025/07/18	Update: Utility Relocation, Steeles Avenue West, between Hilda Avenue and Yonge Street
2025/07/04	Temporary overnight utility work along the north and south curbs of Clark Avenue East and Yonge Street
2025/06/01	Environmental Studies and Utility Survey at 70 Inverlochy Blvd.
2025/06/01	Utility work along Yonge Street, between Morgan Avenue to north of Clark Avenue
2025/05/20	Environmental Site Studies at 7967 Yonge St.
2025/05/13	Updated: Environmental Site Assessments near Yonge Street and Steeles Avenue East
2025/04/30	Utility work along Yonge Street, from Glen Cameron Road to Clark Avenue
2025/04/29	Environmental Site Studies at 126, 128, 130 Kirk Drive
2025/04/29	Utility work along Yonge Street, from Glen Cameron Road to Clark Avenue
2025/04/23	Utility Relocation in Yonge Street and Steeles Avenue West area
2025/04/14	Utility Relocation on Yonge Street between Meadowview Avenue and Crestwood Road
2025/04/07	Utility work near Yonge Street and Glen Cameron Road
2025/03/06	Environmental Site Studies at Yonge Street and Steeles Avenue East
2025/03/24	Groundwater monitoring in Royal Orchard Community
2025/03/17	Site Restoration in Royal Orchard Park
2025/02/01	Environmental Site Assessments (ESA) at Yonge Street and Steeles Avenue E.
2025/01/30	Updated: Utility work at on Thornridge Drive & Yonge Street between Old Jane Street & Elgin Street
2025/01/30	Updated: Utility work at on Thornridge Dr &Yonge St between Old Jane St & Elgin Street
2025-01-13	Ground investigation in Royal Orchard Park
2024
12/06/2024	UPDATED: Temporary Road Closure on Thornridge Drive Between Old Jane Street & Elgin Street
12/02/2024	Updated Start Date: Archaeological Assessments (AA) and an Environmental Site Assessment (ESA) near Yonge Street and Royal Orchard Blvd.
12/02/2024	UPDATED: Temporary road closure: Thornridge Drive between Yonge Street and Elizabeth Street
12/02/2024	Phase 2: Environmental Site Assessment (ESA)
11/27/2024	Updated: Investigation Work at Yonge St. & Patricia Ave.
11/27/2024	Extended: Investigation Work At Yonge St. & Drewry Ave.
11/25/2024	Investigation Work at Yonge St. & Steeles Ave. E. (Updated Schedule & Work Hours)
11/20/2024	Ground investigations in Royal Orchard Park
11/01/2024	Archaeological Assessments (AA) and an Environmental Site Assessment (ESA) near Yonge Street and Royal Orchard Blvd
10/28/2024	Temporary Road Closure: Thornridge Drive, between Yonge Street & Elizabeth Street
10/01/2024	Investigation Work at Yonge St. & Clark Ave.
09/27/2024	Investigation Work at Yonge St. & Steeles Ave. E.
09/13/2024	Borehole Repair: 12 - 14 Banquo Road
09/10/2024	Investigation Work at Yonge St. & Patricia Ave.
08/08/2024	Tree Inventory in the Royal Orchard Community
31/07/2024	Groundwater Monitoring in the Royal Orchard Community
16/07/2024	Stage 2 Archeological Assessment
28/06/2024	Geotechnical Investigative Work - St. Anthony CES
11/06/2024	Cable Pulling and Installation at Yonge Street from Crestwood Road to Grandview Avenue – Phase 6
04/06/2024	Geotechnical Investigative & Archaeological Work in Royal Orchard Community
25/05/2024	Geotechnical Investigative Work on Yonge St between south of Thornridge Dr to Royal Orchard Blvd.
04/18/2024	Utility work at on Thornridge Dr & Yonge St between Old Jane St & Elgin St
03/04/2024	Utility Relocation at the Intersection of Grandview Ave. and Dudley Ave. and on Crestwood Rd. Phase 5
03/04/2024	Utility Relocation at Yonge St. and Grandview Ave. Phase 4
11/03/2024	Groundwater monitoring in the Royal Orchard community (March 2024)
23/02/2024	Utility Relocation at Yonge Street & Grandview Avenue - Phase 3
2023
27/10/2023	Groundwater monitoring in the Royal Orchard community (November 2023)
15/06/2023	Groundwater monitoring in Royal Orchard (June 2023)
15/06/2023	Archaeological assessments in Royal Orchard (June 2023)
09/06/2023	Surveying work in Royal Orchard (June 2023)
21/02/2023	Early Upgrades at Finch Station (February 2023)
27/01/2023	Groundwater investigations on Thorny Brae Dr. (January 2023)
27/01/2023	Groundwater investigations on Shieldmark Cres. (January 2023)
27/01/2023	Groundwater investigations on Kirk Dr. (January 2023)
27/01/2023	Groundwater investigations on Bay Thorn Dr. (January 2023)
27/01/2023	Groundwater investigations on Banquo Rd. (January 2023)
2022
10/08/2022	Investigative drilling in your community (August 2022)
2021
23/09/2021	Early Works – Geotechnical Field Investigations in Your Community (September)
15/07/2021	Early Works – Geotechnical Field Investigations in Your Community (July)
31/05/2021	Early Works – Geotechnical Field Investigation in Your Community
03/05/2021	Environmental assessment studies to begin in your area - Royal Orchard community
03/05/2021	Environmental assessment studies to begin in your area
29/03/2021	Early Works – Utility Scans and Noise Monitoring in Your Community

Community bulletins

Date	Document Name
July 2026	Yonge Street to be temporarily shifted during Clark Station construction
July 2026	Yonge Street to be temporarily shifted during Steeles Station construction