live result virginia day12,000 drivers a day avoiding Blackwall and Silvertown tunnels following introduction of tolls, TfL reveals 12,000 drivers a day avoiding Blackwall and Silvertown tunnel tolls 412,000 drivers a day avoiding Blackwall and Silvertown tunnels following introduction of tolls, TfL reveals 12,000 drivers a day avoiding Blackwall and Silvertown tunnel tolls 4