#5/#6 - La Salle/Inter-City Limited
Chicago-South Bend-Battle Creek-Lansing-Durand-Flint-Port Huron
Port Huron-(via CN)-Sarnia-Toronto-Montreal
1965 - discontinued Toronto-Montreal and replaced with dedicated corridor trains
1967 - discontinued Durand-Toronto and extended Durand-Detroit
1971 - discontinued by Amtrak
#14/#15 - International Limited
Chicago-South Bend-Battle Creek-Lansing-Durand-Flint-Port Huron
Port Huron-(via CN)-Sarnia-Toronto-Montreal
1965 - discontinued Toronto-Montreal and replaced with dedicated corridor trains
1970 - discontinued Port Huron-Toronto
1971 - initially discontinued by Amtrak
#17/#20 - Inter-City Limited/Maple Leaf
Chicago-South Bend-Battle Creek-Lansing-Durand-Flint-Port Huron
Port Huron-(via CN)-Sarnia-Toronto-Montreal
1965 - discontinued Toronto-Montreal and replaced with dedicated corridor trains
1971 - discontinued by Amtrak