https://en.wikipedia.org/wiki/George_Massey_Tunnel#Replacement 3 lanes each way and a bus lane each way.
https://dailyhive.com/vancouver/george-massey-tunnel-new-replacement-potential-cost-increase
https://www.cbc.ca/news/canada/british-columbia/massey-tunnel-design-team-chosen-1.7273022#
https://www.highway99tunnel.ca Of course the new tunnel is missing the crucial train section.
While a 10 lane bridge would have allowed a provision for a train to eventually run between Richmond and Delta, such a train would go against the congestive planning mentality that is BC.
Of course a train tunnel or bridge will have to eventually link Richmond and Delta, someday. Despite an opportunity to improve regional rail transportation, the BC government just doesn't see it as important enough of a project yet.
