Info from 1954 Official Guide.
CITY of NO - All coach train - Lv Chi 7:50am - Ar NO 12:15am (15min past midnight) - 921 miles - Ave speed 56mph - 22 intermediate stops - Car switching at both Carbondale & Memphis
Consist - Coaches Chi-NO, Coaches St.L-NO (in No.'s 201 & 202 Carbondale St.L), Diner Chi-NO (sometimes two depending on passenger load), Tavern/Lounge/Obs Chi-NO
PANAMA LIMITED - All Pullman train - Lv Chi 5:00pm - Ar NO 9:30am - Ave speed 56mph - 17 intermediate stops - Car switching at Carbondale, Memphis & Jackson
Consist - Slpr Chi-NO (6 Sec, 6 Rmt, 4 DBr), Slpr Chi-NO (10 Rmt, 5 DBr), Slpr Chi-NO (11 Dbr), Slpr Chi-NO (DR, 4 Comp, 4 DBr), Slpr Chi-NO (10 Rmt, 6DBr), Slpr/Obs Chi-NO (DBr, DR, Comp), Slpr* St.L-NO (10 Rmt, 6 DBr), Slpr* St.L-NO (6 Sec, 6 Rmt, 4 DBr), Slpr Chi-Jackson, MS (10 Rmt, 6DBr), Slpr Mem-NO (6 Sec, 6 Rmt, 4 DBr), Parlor Car Chi-Carbondale, Parlor Car Mem-NO, Twin Unit Diner Chi-NO, Buffet/Lounge* StL-NO
*Carried in No’s 205 & 16 Carbondale-St.L
Other Lightweight IC Streamliners at the time were: The City of Miami - Chi & St.L - Florida (every 3rd Day) The Daylight & The Green Diamond Chi-StL, The Land o’Corn Chi-Waterloo, IA
Heavyweight Named Trains Were: The Louisiane Chi-NO, The Southern Express Chi-NO, The Creole NO-Chi, The Chickasaw StL-Mem, The Seminole Chi-Jacksonville, The Night Diamond, Chi-StL, The Hawkeye, Chi-Sioux City, The Irwin S. Cobb, Louisville-Fulton, The Delta Express Mem-Greenville, The Southwestern/Northeastern Limited Shreveport-Meridian
Additionally 5 Big Four (NYC) Chi-Cincy passenger trains including the streamlined James Whitcomb Riley were operated by the IC between Chi-Kankakee (54 miles)
Mark