Construction is underway as crews start digging the tunnels connecting the Eglinton Crosstown West Extension to the western end of the Eglinton Crosstown LRT (to be known as Line 5 Eglinton when it opens) at Mount Dennis Station. (Metrolinx photo)  

source: Metrolinx press release: https://www.metrolinx.com/en/news/final-leg-of-tunnelling-starts-for-eglinton-crosstown-west