The tunnel carries high-speed Eurostar passenger trains, the Eurotunnel Shuttle for road vehicles--the largest such transport in the world--and international goods trains. The tunnel connects end-to-end with the LGV Nord and High Speed 1 high-speed railway lines. In 2017 through rail services carried 10.3 million passengers and 1.22m tonnes of freight, and the Shuttle carried 10.4m passengers, 2.6m cars, 51000 coaches, and 1.6m lorries (equivalent to 21.3m tonnes of freight). This compares with 11.7 million passengers, 2.6 million lorries and 2.2 million cars through the Port of Dover.

Can we conclude that is there a road under the english channel?
yes