*Please note Cahokia Mounds is NOT in the city
of Cahokia. It is located in Collinsville, Illinois.

From St. Louis City and West County
Take I-55/70, 64 or Highway 40 & 44 across the Poplar St. Bridge into Illinois. Follow I-55/70, not 64, to Exit 6 (Highway 111). Exit and turn right onto Highway 111 South. At stoplight make a left onto Collinsville Road. The Interpretive Center is about 1.5 miles on the right.

From North St. Louis County and St. Charles
Take I-270 East into Illinois to I-255. Take I-255 South (Memphis) to Exit 24, Collinsville Road. Exit and turn left onto Collinsville Road at the stoplight at the end of the off-ramp. The Interpretive Center is about 1.5 miles on the left.

From Northern and Eastern Illinois Via I-55/70
Take I-55 South or I-70 West to the I-255 exit 10, just past Collinsville. Take I-255 South (Memphis) to the next Exit (24) at Collinsville Road. Exit and turn left onto Collinsville Road at the stoplight at the end of the off-ramp. The Interpretive Center is about 1.5 miles on the left.

From I-64
Take I-64 East or West to I-255 North. Take I-255 North to Exit 24, Collinsville Road. Exit and turn left onto Collinsville Road at the stoplight at the end of the off-ramp. The Interpretive Center is about 1.5 miles on the left.

From South St. Louis County
Take I-255 across the Jefferson Barracks Bridge into Illinois. Continue on I-255 until Exit 24, Collinsville Road. Exit and turn left onto Collinsville Road at the stoplight at the end of the off-ramp. The Interpretive Center is about 1.5 miles on the left.

Public Transportation
Unfortunately, the MetroLink Bus no longer runs to Cahokia Mounds. However, there are still some public transportation options available to visitors. The Madison County Transit Bus #18 travels between downtown Collinsville and various locations in downtown St. Louis. The bus stops at the 5th and Missouri Metrolink train station in East St. Louis. The bus also stops at the intersection of Black Lane/Fairmont Ave. and Collinsville Road, a relatively short distance from the Interpretive Center. Adventurous visitors may get off the bus at Black Lane/Fairmont Ave. and walk approximately .76 miles West on Collinsville Road to the site. Please note it is a soft-shoulder street. See Walking Directions Here.

Riverbend Transportation in Collinsville, IL will also pick up visitors from the Black Lane bus stop and bring them to the site. Please note that they have a $5 minimum on taxi service.

Another option is to take the MCT Bus #18 to the Collinsville Station (located in downtown Collinsville) and take a taxi from there.