  thumb|right|250px thumb|right|250px|clifford milburn holland, 1919  the clifford milburn holland tunnel (more commonly known as the holland tunnel) is a highway tunnel under the hudson river connecting interstate 78 on the island of manhattan in new york city, with i-78 and nj 139 in jersey city, new jersey on the mainland of the united states. an integral conduit within the new york metropolitan area, the tunnel was originally known as the hudson river vehicular tunnel or the canal street tunnel; it was the first of two automobile tunnels built under the river, the other being the lincoln tunnel. ==description== begun in 1920 and completed in 1927, the tunnel is named after clifford milburn holland (1883â1924), chief engineer on the project, who died before it was completed. tunnel designer ole singstad finished holland's work. the tunnel is o
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