ECRL - first tunnel breakthrough six months ahead of schedule Modified2:55 am - The East Coast Rail Link (ECRL) managed to achieve its first tunnel breakthrough six months ahead of schedule, said Malaysia Rail Link Sdn Bhd (MRL) chairperson Mohd Zuki Ali. He said the tunnelling works at the Paka Tunnel were done quickly and efficiently, despite challenges faced during the construction period including the renegotiation between Malaysia and China governments, and the nine-month delay due to the Covid-19 outbreak. All Access Plan