Question: What north-south highway goes right by the venue of the Pennsylvania Farm Show?

Context paragraphs:
2012–13 Harrisburg Heat season: The 2012–13 Harrisburg Heat season was the first season of the new Harrisburg Heat indoor soccer club.  The Heat, an Eastern Division team in the Professional Arena Soccer League, played their home games in the Farm Show Arena at the Pennsylvania Farm Show Complex & Expo Center in Harrisburg, Pennsylvania.  The team, owned by Harrisburg Heat Sports Group, LLC, was led by general manager David Grimaldi, head coach Richard Chinapoo, and assistant coach Gino DiFlorio.

Pennsylvania Farm Show Complex &amp; Expo Center: Pennsylvania Farm Show Complex & Expo Center is a large exhibition center and indoor arena in Harrisburg, Pennsylvania.  It is primarily used for concerts, agricultural exhibitions, the Pennsylvania Farm Show, and indoor football.  The complex also hosts more than 200 other exhibits and trade shows every year.  The Farm Show Complex is 60 acre , houses 24 acre under roof, spread throughout 11 buildings including three arenas.

Central Penn Capitals: The Central Penn Capitals (formerly the York Capitals) were a professional indoor football team based in Harrisburg, Pennsylvania.  The Capitals played as members of American Indoor Football (AIF) from 2013 to 2016.  The club was established in 2012 as an expansion team for the 2013 season when Jim Morris secured the rights to an AIF franchise in York, Pennsylvania at the York City Ice Arena.  The team relocated to Harrisburg for the 2016 season season with home games played at the Pennsylvania Farm Show Complex & Expo Center.  The AIF ceased operations after the 2016 season and the Capitals did not join another league.

Pennsylvania Farm Show: The Pennsylvania Farm Show is held every January at the Pennsylvania Farm Show Complex & Expo Center, located in Harrisburg, Pennsylvania, just off Exit 67 of Interstate 81.  This event, Pennsylvania's state fair, was first held in 1917.  It is the largest indoor agricultural event held in the United States.  The Farm Show Complex houses 24 acre under its roof, spread throughout eleven buildings, including three arenas.  The annual event is free to the public and attracts over half a million visitors.

Provincial Highway 1 (Taiwan): Provincial Highway 1 () is a 464.693 km -long Taiwanese provincial highway that starts in the north of the country near Taipei Main Station and ends in the south at Fangshan, Pingtung County.  It intersects with Provincial Highway 9 and Provincial Highway 26.  Before the freeway system was built in Taiwan, this was the primary north-south highway for the island.  The highway connects most of the major cities in Taiwan.  In most parts of Taiwan, the road is known as The North-South Highway (縱貫公路).

Interstate 81: Interstate 81 (I-81) is a north–south (physically northeast–southwest) Interstate Highway in the eastern part of the United States.  Its southern terminus is at I-40 in Dandridge, Tennessee; its northern terminus is on Wellesley Island (near Fishers Landing, New York) at the Canadian border, where the Thousand Islands Bridge connects it to Highway 401, the main Ontario freeway connecting Detroit via Toronto to Montreal.  The major metropolitan areas that I-81 connects to include Harrisburg in Pennsylvania and Syracuse in New York.

Pennsylvania Auto Show: The Pennsylvania Auto Show is an annual auto show held in Harrisburg, Pennsylvania at the Pennsylvania Farm Show Complex & Expo Center.

2013–14 Harrisburg Heat season: The 2013–14 Harrisburg Heat season was the second season of the new Harrisburg Heat indoor soccer club.  The Heat, an Eastern Division team in the Professional Arena Soccer League, played their home games in the 2,200 seat Equine Arena at the Pennsylvania Farm Show Complex & Expo Center in Harrisburg, Pennsylvania.

Eastern Sports and Outdoor Show: The Eastern Sports and Outdoor Show was an outdoor hunting and fishing exposition held annually at the Pennsylvania Farm Show Complex & Expo Center in Harrisburg, Pennsylvania in the United States, and was the largest show of its kind in North America.  The event was first held in 1955 and attracted outdoor sports enthusiasts from Pennsylvania, Maryland, Virginia, West Virginia, Delaware, New Jersey, New York and Washington D.C..  The annual event was known to showcase the very latest that hunting and fishing had to offer, including services, gear, expert advice, seminars and competition shooting.  It included more than 1,000 hunting and fishing related vendors and over 500 outfitters from around the world.

Harrisburg Heat (2012–): The Harrisburg Heat are an American professional indoor soccer team based in Harrisburg, Pennsylvania.  The team is a part of the Major Arena Soccer League.  The Heat's home venue is New Holland Arena at the Pennsylvania Farm Show Complex & Expo Center.

Supporting paragraphs: Pennsylvania Farm Show Interstate 81
Answer: Interstate 81