CHAPTER IV: ILLINOIS STATE TOLL HIGHWAY AUTHORITY
PART 2520 STATE TOLL HIGHWAY RULES
SECTION 2520.420 MAXIMUM SPEED LIMITS FOR TRUCKS, BUSES, PASSENGER CARS TOWING TRAILERS, HOUSE TRAILERS AND CAMPERS
Section 2520.420 Maximum Speed Limits for Trucks, Buses, Passenger Cars Towing Trailers, House Trailers and Campers
a) The following shall be the maximum speed limits for trucks and passenger cars towing trailers, house trailers and campers on the Tollway, except as provided by Sections 2520.430 and 2520.440:
1) Tri-State Tollway (I-94 and I-294):
60 miles per hour north of I-94 M.P.25.2 (Lake-Cook Road).
60 miles per hour between I-294 M.P.52.7 (Lake-Cook Road) and M.P.42.2 (Touhy Avenue).
60 miles per hour between I-294 M.P.23.1 (I-55) and M.P.7.6 (I-57).
55 miles per hour on the remainder of I-294 and I-94.
2) Jane Addams Memorial Tollway (I-90):
60 miles per hour east of M.P. 31.2 (McHenry County Line).
70 miles per hour west of M.P.31.2 (McHenry County Line).
3) Reagan Memorial Highway (I-88):
60 miles per hour between M.P.140.4 (I-290/Eisenhower Expressway) and M.P.101.0 (Kane/DeKalb County Line).
70 miles per hour west of M.P.101.0 (Kane/DeKalb County Line).
4) Veterans Memorial Tollway (I-355):
60 miles per hour between M.P.0.0 (I-80) and M.P.29.8 (Army Trail Road).
b) The following shall be the maximum speed limits for buses on the Tollway, except as provided by Sections 2520.430 and 2520.440:
1) Tri-State Tollway (I-94 and I-294):
65 miles per hour north of I-94 M.P.24.2 (Deerfield Road).
60 miles per hour between I-94 M.P.24.2 (Deerfield Road) and M.P.25.2 (Lake-Cook Road).
60 miles per hour between I-294 M.P.52.7 (Lake-Cook Road) and M.P.42.2 (Touhy Avenue).
60 miles per hour between I-294 M.P. 23.1 (I-55) and M.P.7.6 (I-57).
55 miles per hour on the remainder of I-294 and I-94.
2) Jane Addams Memorial Tollway (I-90):
60 miles per hour east of M.P.74.4 (Des Plaines Oasis).
65 miles per hour between M.P.74.4 (Des Plaines Oasis) and M.P.31.2 (McHenry County Line).
70 miles per hour west of M.P.31.2 (McHenry County Line).
3) Reagan Memorial Highway (I-88):
60 miles per hour between M.P.140.4 (I-290/Eisenhower Expressway) and M.P.117.1 (Illinois Route 31).
65 miles per hour between M.P.117.1 (Illinois Route 31) and M.P.101.0 (Kane/DeKalb County Line).
70 miles per hour west of M.P.101.0 (Kane/DeKalb County Line).
4) Veterans Memorial Tollway (I-355):
60 miles per hour between M.P.12.0 (I-55) and M.P.29.8 (Army Trail Road).
65 miles per hour between M.P.0.0 (I-80) and M.P.12.0 (I-55).
(Source: Amended at 42 Ill. Reg. 796, effective December 27, 2017)