Major Projects Watchlist

25 high-profile infrastructure projects, sorted by budget variance.

Ontario Line

Under Construction

Transit · Ward Toronto Centre

+$8.3B

+76.1% from original budget

Original$10.9B

Current$19.2B

Successor to the Relief Line. Tunnelling began 2024. Current budget $19.2B, up from initial $10.9B estimate.

Eglinton Crosstown LRT

Under Construction

Transit · Ward Eglinton-Lawrence

+$7.5B

+141.5% from original budget

Original$5.3B

Current$12.8B

Originally budgeted at $5.3B in 2012. Repeated delays have pushed estimated costs past $12.8B with no confirmed opening date.

Scarborough Subway Extension

Under Construction

Transit · Ward Scarborough Centre

+$2.1B

+64.2% from original budget

Original$3.4B

Current$5.5B

Federal match flagged: confidence 0.61

Ashbridges Bay Treatment Plant Upgrades

Under Construction

Water/Wastewater · Ward Beaches-East York

+$800.0M

+23.5% from original budget

Original$3.4B

Current$4.2B

Federal match flagged: confidence 0.43

Finch West LRT

Under Construction

Transit · Ward Humber River-Black Creek

+$500.0M

+41.7% from original budget

Original$1.2B

Current$1.7B

Infrastructure match flagged: confidence 0.47

Regent Park Revitalization

Active

Housing · Ward Toronto Centre

+$500.0M

+50.0% from original budget

Original$1.0B

Current$1.5B

Federal match flagged: confidence 0.46

Union Station Revitalization

Active

Transportation · Ward Toronto Centre

+$310.0M

+48.4% from original budget

Original$640.0M

Current$950.0M

Ongoing since 2009. Multiple phases still incomplete. Original budget $640M, now exceeding $950M.

New Toronto Courthouse

Under Construction

Community · Ward University-Rosedale

+$309.0M

+34.7% from original budget

Original$891.0M

Current$1.2B

Provincial project on city-owned land. 17-storey, 67-courtroom facility. Expected completion 2025-2026.

SmartTrack Stations Program

Pre-Construction

Transit

+$200.0M

+13.7% from original budget

Original$1.5B

Current$1.7B

Evolved from Mayor Tory's SmartTrack proposal. Five stations confirmed. Integrated with Metrolinx GO Expansion.

Toronto Community Housing Repairs

Active

Community

+$200.0M

+7.7% from original budget

Original$2.6B

Current$2.8B

TCHC's repair backlog estimated at $1.7B. Federal and provincial funding committed. Elevators, plumbing, and fire safety prioritized.

Don Valley Parkway Rehabilitation

Active

Transportation · Ward Don Valley West

+$130.0M

+22.4% from original budget

Original$580.0M

Current$710.0M

Federal match flagged: confidence 0.40

Lawrence Heights Revitalization

Under Construction

Housing · Ward York Centre

+$130.0M

+25.0% from original budget

Original$520.0M

Current$650.0M

One of TCHC's largest revitalization projects. Phase 1 infrastructure complete. New community centre and school included.

Coxwell Bypass Tunnel

Under Construction

Water/Wastewater · Ward Toronto-Danforth

+$100.0M

+14.1% from original budget

Original$710.0M

Current$810.0M

One of the largest sewer infrastructure projects in Canada. Will significantly reduce combined sewer overflows into Lake Ontario.

Port Lands Flood Protection

Under Construction

Waterfront · Ward Spadina-Fort York

+$100.0M

+8.0% from original budget

Original$1.3B

Current$1.4B

Infrastructure match flagged: confidence 0.46

George Street Revitalization

Under Construction

Community · Ward Toronto Centre

+$90.0M

+27.7% from original budget

Original$325.0M

Current$415.0M

Replaces Seaton House men's shelter. Will be North America's largest purpose-built shelter and services hub.

Highland Creek Treatment Plant Expansion

Planning

Water/Wastewater · Ward Scarborough-Rouge Park

+$70.0M

+8.2% from original budget

Original$850.0M

Current$920.0M

Required to accommodate population growth in Scarborough. Environmental assessment underway.

Downsview Park Redevelopment

Pre-Construction

Parks · Ward York Centre

+$60.0M

+11.5% from original budget

Original$520.0M

Current$580.0M

Canada Lands Company leading development. Parks and community infrastructure budget separate from private development costs.

Modular Housing Initiative

Active

Housing

+$26.0M

+12.3% from original budget

Original$212.0M

Current$238.0M

Council approved $212M for 850+ units across 18 sites. Fastest path from approval to occupancy in the city's housing program.

Queens Quay Revitalization

Completed

Waterfront · Ward Spadina-Fort York

+$17.0M

+13.3% from original budget

Original$128.0M

Current$145.0M

West section completed 2015. East section from Bay to Parliament under design. Transformed Toronto's central waterfront.

Bloor Street Bike Lane Extension

Active

Transportation · Ward Davenport

+$13.0M

+28.9% from original budget

Original$45.0M

Current$58.0M

Infrastructure match flagged: confidence 0.62

Gardiner Expressway Rehabilitation

Under Construction

Transportation · Ward Spadina-Fort York

+$223K

+17.4% from original budget

Original$1.3M

Current$1.5M

Infrastructure match flagged: confidence 0.44

Basement Flooding Protection Program

Active

Water/Wastewater

+$96K

+9.0% from original budget

Original$1.1M

Current$1.2M

Initiated after 2013 flood. 67 areas prioritized for upgrades. Multi-phase, multi-decade commitment.

Rail Deck Park

Planning

Parks · Ward Spadina-Fort York

0.0% from original budget

Original$1.7B

Current$1.7B

Council endorsed concept in 2017. Estimated $1.7B. Engineering feasibility ongoing; no construction timeline confirmed.

Waterfront East LRT

Planning

Transit · Ward Spadina-Fort York

0.0% from original budget

Original$1.2B

Current$1.2B

Critical transit link for the Port Lands development. Environmental assessment approved. Awaiting full funding commitment.

Yonge North Subway Extension

Pre-Construction

Transit

0.0% from original budget

Original$5.6B

Current$5.6B

Part of the Province's four-priority subway plan. Final station count and alignment under review.