It emerged this week that a £2-5 toll will soon be charged at the Blackwall tunnel, depending on the size of vehicle driven.

Source: https://www.dailymail.co.uk/news/article-12434669/Rishi-Sunak-blocked-overruling-Sadiq-Khans-ULEZ-expansion-nightmare-Government-lawyers-tell-No10-bid-thwart-Greater-London-charge-fail-courts.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

So won't everyone just use the Blackwall tunnels instead?

Source: https://londonist.com/london/transport/what-is-the-silvertown-tunnel-greenwich

The six-bedroom Georgian townhouse feels more fitting than the flat by the Blackwall Tunnel for the founder of one of London's most popular websites.

Source: https://www.dailymail.co.uk/money/entrepreneuracademy/article-12855859/I-lodger-six-bed-London-home-SpareRoom-founder-Rupert-Hunt-rental-crisis.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Transport for London (TfL) has warned drivers that the Blackwall Tunnel will be closed to traffic during two weekends in September and October as engineers build the new Silvertown Tunnel.

Source: https://www.mylondon.news/news/transport/tfl-warns-more-blackwall-tunnel-27734240