ttc construction projects

Here's what's happening with every TTC transit expansion project

Two new TTC lines are on the cusp of finally opening, and many more in-progress infrastructure investments promise to reshape the way Toronto moves for years to come.

A new report prepared ahead of an upcoming Nov. 3 TTC Board meeting offers updates on major transit projects both in planning and under construction for the transit agency, painting an impressive picture of what local commutes could be like in the not-too-distant future.

Here is what's happening with every major TTC project in Toronto right now.


Line 5 Eglinton 

Most locals are well aware of the drama-plagued Crosstown LRT saga. Now, almost a decade and a half since construction started, the project's runaway budget and missed deadlines have frustrated Toronto to no end.

There was some hope in sight when Metrolinx initiated the line's Revenue Service Demonstration phase in October 2025, with hopes the Crosstown would finally open in the coming weeks. However, an Oct. 16 collision between two light rail vehicles at the line's Mount Dennis yard that required a pause to testing proved just the latest hiccup in a long string of missteps.


Line 6 Finch West 

After navigating its own share of delays, the Finch West LRT is expected to open as the TTC's Line 6 later this year, with a rumoured opening date of Dec. 7, 2025 — two years behind schedule. 

The 18-stop line running along Finch Avenue West, from Keele Street to Highway 27, entered its Revenue Service Demonstration phase in September 2025.

Line 2 extension

The new three-stop Scarborough Subway Extension (SSE) now being built by Metrolinx will soon carry the existing Line 2-Bloor Danforth subway east to replace the shuttered and largely demolished Line 3 Scarborough RT.

A tunnel boring machine is etching out a massive tunnel for the roughly 7.8-kilometre extension, but there's a lot of work involved to prepare the existing Line 2 for its added length.

In preparation for this major extension, the TTC has been working side-by-side with Metrolinx to prepare Line 2 for the SSE. Part of that preparation includes automatic train control (ATC) included in the TTC's ongoing procurement for an ATC system to operate on Line 2.

The report to the TTC Board says that this cooperation "will provide an opportunity to maximize the benefit from the ATC system and the New Subway Trains for the entire Line 2 service on the opening day of SSE and beyond."

Line 1 extension (and more)

The TTC's busiest transit line is set to grow by roughly eight kilometres with the upcoming $5.6 billion Yonge North Subway Extension (YNSE), set to add five new stations to the north end of Line 1's Yonge Street leg. Preliminary construction began in 2023, a contract to build the extension's tunnels was awarded in August, and station design concepts were just revealed in October.

But there is more in the works for Line 1, and the TTC and Metrolinx are in the midst of discussions seeking ways to "refine the capacity requirements and interdependencies for both the new fleet and additional facilities for the future state of the extended Line 1."

Ontario Line

The crown jewel in Toronto's rapid transit network will cost a staggering $27 billion and close a missing link in the TTC map. The 15-stop, 15.6-kilometre line linking Exhibition Place and the closed Ontario Science Centre has captivated the city during its construction as sizeable caverns are dug and impressive bridges are built.

With the Ontario Line's anticipated 2031 opening still on the distant horizon, the TTC's current progress update is quite limited as the transit agency works with Metrolinx to iron out details of the local transit agency's "roles and responsibilities for the operations of the Ontario Line."

Eglinton Crosstown West Extension

In a classic case of not finishing dinner before starting to wolf down dessert, the still-unopened Eglinton Crosstown LRT is already being extended. The Eglinton Crosstown West Extension (ECWE) will (someday) extend the cursed LRT route 9.2 kilometres from Mount Dennis Station to Renforth Drive.

The extension started construction in mid-2021, but it was as recent as this past August that Metrolinx awarded a contract for stations, rail, and other systems for the extension. As for the TTC's role, the transit agency's report states — somewhat ominously given the history of the line — that the TTC has been working with Metrolinx "to ensure interoperability between Line 5 Eglinton and ECWE."

Eglinton East LRT

It's the line so not-nice we're extending it twice.

The Eglinton East LRT (EELRT) faced controversy out of the gate when it was revealed that the line would operate separately from the Crosstown, requiring a change of trains to continue on east into Scarborough. Cost concerns have only added to the raised eyebrows.

The EELRT (which would operate as the TTC's Line 7) has not started construction as of 2025, and, despite being listed as one of the City's Priority Transit Projects, remains unfunded, with a potential construction start expected in the coming years.

In the interim, the TTC says that it is working closely with the City and other stakeholders to work through the project and the transit agency's future roles and responsibilities.

Waterfront East LRT

Another long-promised missing link in the transit network, the Waterfront East LRT (WELRT) is already primed with new bridges and infrastructure. Like the EELRT, the WELRT is another of the City's Priority Transit Projects, but despite this status, there have not yet been funding commitments from the provincial and federal levels of government.

However, the TTC has pushed ahead with planning and design work for the initial segment of this line spanning from Union Station to Queens Quay, and is working with the City and Waterfront Toronto on design and planning for the second and third segments of the route.

Lead photo by

Metrolinx


Latest Videos



Latest Videos


Latest in City

What's open and closed on Victoria Day 2026 in Toronto

New laws and rules coming to Ontario next month

Gargantuan new subway bridge rising into popular Toronto skyline view

Toronto library finally reopens four months after abrupt shutdown

It's going to be a nightmare getting around Toronto this Victoria Day long weekend

Ontario's controversial new bypass officially dubbed Highway 425

Here's where Canada ranks among the 100 best countries in the world

Ontario ranked among lowest life satisfaction in Canada