View on Interstate 280 East as it descends the Sergeant John Baker Jr. Memorial Bridge on the Illinois side of the Mississippi River. (Photo taken 8/19/22).

Advance signage for Exits 11A-B, which are 3/4 mile ahead. Also, the Interstate 280 East reassurance signage welcomes motorists to Illinois at the east side of the bridge. (Photo taken 8/19/22).

Illinois welcome sign on Interstate 280 East. (Photo taken 8/19/22).

Take Exit 11B to Rock Island Arsenal and the Riverfront. (Photo taken 8/19/22).

Take Exit 11B to Great River Road North and Exit 11A to Great River Road South. (Photo taken 8/19/22).

The Quad City Botanical Center and QCCA Expo Center can be accessed via Exit 11B. (Photo taken 8/19/22).

Use Exit 11A to the Riverboat Casino. (Photo taken 8/19/22).

Interstate 280 East at Exit 11A: IL 92 West - Andalusia (Photo taken 8/19/22).

Interstate 280 East at Exit 11B: IL 92 East - Rock Island (Photo taken 8/19/22).

Interstate 280 East reassurance shield at mile marker 11.6. The mileposts on I-280 East in Illinois are a continuation of its total mileage from Iowa. (Photo taken 8/19/22).

Speed limit signs on Interstate 280 East at mile marker 11.8. The speed limits are 70 mph maximum and 45 mph minimum. These are the standard speed limits on most rural Interstate highways in Illinois. (Photo taken 8/19/22).

Mileage sign at mile marker 12.2. It's 3 miles to the junction of Airport Rd, 6 miles to the junction of Interstate 74, and 177 miles to Chicago. (Photo taken 8/19/22).

View on Interstate 280 East at mile marker 13. (Photo taken 8/19/22).

Mile marker 13.6 on Interstate 280 East in Rock Island County. (Photo taken 8/19/22).

Take Exit 15 to Quad Cities Airport and Black Hawk State Historic Site. (Photo taken 8/19/22).

Interstate 280 East at Exit 15: To US 67 - Airport Rd / Milan (Photo taken 8/19/22).

Interstate 280 East at mile marker 15.4. (Photo taken 8/19/22).

Another Interstate 280 East reassurance shield at mile marker 15.8. (Photo taken 8/19/22).

Another mileage sign on Interstate 280 East near mile marker 16. It's 2 miles to the junction of Interstate 74, 143 miles to Joliet, and 173 miles to Chicago. (Photo taken 8/19/22).

Interstate 280 East approaching Exits 18A-B - 1 1/2 miles. (Photo taken 8/19/22).

Traffic to US 150 should follow US 6 East via Exit 18A. (Photo taken 8/19/22).

Take Exit 18B (Interstate 74 West / US 6 West) to Augustana College, Black Hawk College, and Western Illinois University. (Photo taken 8/19/22).

Take Exit 18A to Niabi Zoo. (Photo taken 8/19/22).

Interstate 280 East at Exit 18A: US 6 East - Quad City Airport (Photo taken 8/19/22).

Interstate 280 East at Exit 18B: Interstate 74 West / US 6 West - Moline (Photo taken 8/19/22).

At Exit 18B, Interstate 74 East traffic joins Interstate 280 East. They will run concurrently for the remainder of I-280's length to the junction of Interstate 80. During the concurrency, the mileage and exit numbers are based on the total mileage of I-74 in Illinois. (Photo taken 8/19/22).

The speed limits remain the rural standard 70 mph maximum and 45 mph minimum. (Photo taken 8/19/22).

Interstate 280 East / Interstate 74 East reassurance shields. (Photo taken 8/19/22).

Approaching the Weigh Station in Rock Island County on Interstate 280 East / Interstate 74 East, this sign warns that all trucks over 8 tons must enter the Weigh Station when it's open. (Photo taken 8/19/22).

Weigh Station on Interstate 280 East / Interstate 74 East in Rock Island County. (Photo taken 8/19/22).

View on Interstate 280 East / Interstate 74 East at mile marker 6. (Photo taken 8/19/22).

Mile marker 6.6 on Interstate 280 East / Interstate 74 East in Rock Island County. (Photo taken 8/19/22).

Interstate 280 East / Interstate 74 East at mile marker 7. (Photo taken 8/19/22).

Interstate 280 East / Interstate 74 East as the duplex enters Henry County. (Photo taken 8/19/22).

View on Interstate 280 East / Interstate 74 East at mile marker 8. (Photo taken 8/19/22).

Mile marker 9 on Interstate 280 East / Interstate 74 East in Henry County. (Photo taken 8/19/22).

Interstate 280 East / Interstate 74 East at mile marker 10. (Photo taken 8/19/22).

View on Interstate 280 East / Interstate 74 East at mile marker 10.4. (Photo taken 8/19/22).

The junction of Interstate 80, which will mark the eastern terminus of the Interstate 280 alignment, is 2 miles ahead. (Photo taken 8/19/22).

View on Interstate 280 East / Interstate 74 East at mile marker 12. (Photo taken 8/19/22).

Interstate 280 East / Interstate 74 East approaching the junction of Interstate 80 - 1 mile ahead. I-74 East thru traffic will have to exit to the right 1 mile ahead as we will see. (Photo taken 8/19/22).

Take the next exit (Interstate 74 East) to Galesburg. (Photo taken 8/19/22).

This sign at mile marker 13.2 shows that Interstate 74 East thru traffic must exit to the right ahead. (Photo taken 8/19/22).

Interstate 280 END marker at mile marker 13.4, just before the junction of Interstate 80. (Photo taken 8/19/22).

Interstate 280 East / Interstate 74 East at Exit: Interstate 74 East - Peoria (Photo taken 8/19/22).

A closer view of the ramp for Interstate 74 East toward Peoria from Interstate 280 East. (Photo taken 8/19/22).

Traffic to Interstate 88, which is the most direct route to Chicago from this point, should take the next exit and follow Interstate 80 West. (Photo taken 8/19/22).

Interstate 280 East at Exit: Interstate 80 West - Des Moines. The two remaining thru lanes of I-280 East become the connector to Interstate 80 East ahead. (Photo taken 8/19/22).