Construction has begun on Brentcliffe Road in Leaside as the 19-kilometre Eglinton LRT project ramps up.

Digging has begun for the tunnel boring launch site east of Brentcliffe, the Ontario government said Wednesday.

Last month, crews began clearing hydro poles and widening Eglinton in Leaside to get ready for the daunting task of digging the tunnel for the Eglinton Crosstown.

Lane restrictions are already in place between Leslie Street and Laird Drive, where the excavation shaft will go.

The tunnel-boring machines will be assembled right in the shaft this summer and then drilling will start on the underground portion stretching from Laird to Yonge Street.

The Liberals said Wednesday that tunnelling is “well underway” from the west launch site area near Black Creek Drive to Yonge-Eglinton station. Construction of the headwalls, which will form the future underground station boxes, have been completed at Keele and Caledonia, and work has also begun on the future Dufferin and Oakwood stations.

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The underground portion of the Crosstown will be 10 kilometres long, while the other nine kilometres will run at ground level or on an elevated track.

The $5.3-billion project, to be operated by the TTC, will have 25 stations and start service in 2020.

With files from Natalie Duddridge and Toronto Staff