Interstate 78 facts for kids

Quick facts for kids Interstate 78
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Route information
Length	143.56 mi (231.04 km)
Existed	1957–present
Major junctions
West end	I-81 in Union Township, PA
	PA 61 in Hamburg, PA I-476 / Penna Turnpike near Allentown, PA I-287 in Bedminster, NJ Route 24 in Springfield, NJ G.S. Parkway in Union/Hillside, NJ I-95 / N.J. Turnpike in Newark, NJ
East end	Canal Street in New York, NY
Highway system
Main route of the Interstate Highway System Main • Auxiliary • Business

Interstate 78 is an Interstate Highway in the United States. It goes from Union Township, Lebanon County, Pennsylvania east to New York City. The route is 143.56 miles (231.04 km) long.

On the west, it starts at Interstate 81 northeast of Harrisburg, Pennsylvania. It passes through Allentown, Pennsylvania, and western and northern New Jersey. It goes in the Holland Tunnel to end in Lower Manhattan in New York City.

I-78 is a major road linking ports in the New York City and New Jersey area to points west. Over 4 million trucks use it annually. Trucks are 24% of all traffic. Truck traffic on the road is projected to rise once the widening of the Panama Canal is completed in 2015. With a wider canal, more Asian ships are expected to use East Coast ports.

Images for kids

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  The I-78 interchange approaching I-81 north in Union Township, Lebanon County

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  I-78 eastbound past the PA 33 interchange in Lower Saucon Township, Northampton County, in the Lehigh Valley

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  I-78 westbound in Warren Township, New Jersey

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  I-78 eastbound crossing Newark Bay at Newark Bay Bridge

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  I-78 leaving Jersey City and entering the Holland Tunnel to SoHo and New York City

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  Aerial photo of I-78 in New Jersey and New York City

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  1955 map of I-178 and I-378 in the Lehigh Valley region of eastern Pennsylvania