The nine-lane toll plaza is equipped with E-ZPass (first made available in October 1997). Boyle Plaza is the only segment of I-78 and NJ 139 that has stoplights, as it runs concurrent with 12th Street (the eastbound lanes) and 14th Street (the westbound lanes). Boyle, the former interstate tunnel commissioner. On May 6, 1936, the section of what became NJ 139/I-78 between Jersey Avenue and Marin Boulevard was named in memory of John F. The approach to the Holland Tunnel in Jersey City begins where the Lower Level of NJ 139 and the Newark Bay Extension meet. The tunnel was designated a National Historic Civil and Mechanical Engineering Landmark in 1982 and a National Historic Landmark in 1993. That is slightly less than the 34,729,385 vehicles seen in 2006, but up from the 33,964,000 vehicles in 2005.ġ973 aerial view of rotary with parked buses. The tunnel was used by 34,698,000 vehicles in 2007, according to the Port Authority of New York and New Jersey, the bi-state government agency that owns and operates the Holland Tunnel. The amount of traffic going through the Holland Tunnel has remained steady despite tight restrictions on eastbound traffic in response to the September 11 attacks, including a ban on commercial traffic entering New York City put in place after an August 2004 threat. Both tubes are situated in the bedrock beneath the river, with the lowest point of the roadway being about 93 feet (28 m) below mean high water. The north tube is 8,558 feet (2,608 m) from end to end, while the south tube is slightly shorter at 8,371 feet (2,551 m). The tunnel consists of a pair of tubes, each providing two lanes in a 20-foot (6 m) roadway width with 12.5 feet (3.8 m) of headroom. A forced ventilation system is essential because of the poisonous carbon monoxide component of automobile exhaust, which constituted a far greater percentage of exhaust gases before catalytic converters became prevalent. The fans can completely change the air inside the tunnel every 90 seconds. 84 fans, in four ventilation buildings, create a floor to ceiling air flow across the roadway at regular intervals, via systems of ducts beneath and above the roadway. The tunnel is one of the earliest examples of a mechanically ventilated design. Tunnel designer Ole Singstad finished Holland's work.
![holland tunnel toll holland tunnel toll](https://interactive.wttw.com/sites/default/files/Marvels_6_HollandTunnel_Construction_UofI.jpg)
Begun in 1920 and completed in 1927, the tunnel is named after Clifford Milburn Holland (1883–1924), Chief Engineer on the project, who died before it was completed.