This was the western half of the Grand Trunk Western main line which crossed Michigan between Port Huron and Chicago.
| Station | MP from Chicago | Notes |
| Battle Creek | ||
| Gord | 176.6 | DN |
| Crossing - Penn Central | 175.7 | |
| Airport | ||
| Climax | 172.0 | |
| Scotts | 165.0 | D |
| Pavilion | 160.1 | J |
| Vicksburg - Crossing of PRR | 157.2 | P79 |
| Schoolcraft - Crossing of MC | 146.8 | DN P79 |
| Chamberlains | 140.3 | DN |
| Marcellus | 135.8 | D P72 |
| Wakelee | 131.5 | |
| Penn | 127.3 | |
| Cassopolis (xMC) | 122.9 | D I P70 |
| Edwardsburg (in Michigan) | 114.0 | D |
| Granger (in Indiana) | 110.9 | |
| Mishawaka | 104.0 | |
| High Street xNYC | 101.1 | J I J |
| South Bend | 100.2 | |
| Arnold Street | 99.5 | |
| Olivers | 99.2 | J P63 P66 |
| Vandalia Junction xNJI&I | 97.2 | DN X I |
| Crumstown | 91.6 | |
| Mill Creek | 84.5 | |
| Stillwell xWabash | 80.2 | D J P84 X I |
| Kingsbury | 74.8 | |
| Wellsboro Tower xC&O xB&O | 71.3 | D J X I |
| Wellsboro | 71.1 | P76 P76 |
| Haskells xMonon | 63.9 | D J P110 X I |
| Valparaiso | 55.8 | DN P91 P77 |
| Fort Wayne Crossing xN&W xPC | 52.7 | J I X |
| Sedley | 50.3 | P65 |
| Ainsworth | 45.2 | |
| Lottaville | 39.6 | |
| Griffith, IN xPC xEL xEJ&E | 36.0 | D J P64 X I |
| C.I.S. Crossing (in Illinois) | 34.0 | J X I |
| Munster xMonon xPC | 31.6 | X I |
| Oak Glen | 28.6 | J |
| Thornton Junction xC&EI | 25.9 | DN J P55 X I |
| Harvey xB&OCT | 23.2 | J X I |
| Blue Island | 20.2 | |
| B&O C.T. xB&OCT xRI | 19.5 | X I |
| Ashburn xWabash | 12.8 | X I |
| Hayford xBelt Ry. of Chicago | 11.8 | X I |
| Chicago Lawn | 10.3 | J |
| Elsdon | 8.8 | DN J |
| C. & W. I. Junction | 4.9 | J |
| Chicago | 0.0 | DN |
Key: BB=Bascule Bridge | C=Coal | CS=Car Shop | D=Open > Day | DN=Open Day and night | DS=Dispatcher | DT=Double Main Track | EH=Engine house | F=Diesel Fuel | HI=Half Interlocked Crossing | I=Interlocked Crossing | J=Junction | LB=Lift bridge | N=Open at night | P=Passing Track w/40' car capacity | Q=Quarry | RH=Roundhouse # stalls | RT=Railroad Resort | S=Scales | SB=Swing bridge | T=Turntable | TC=Telegraph call | W=Water | X=Crossing | Y=Wye | Yard=Yard
This line was a double track main with automatic block signals. From High Street to Arnold street the GTW used the New York Central main line through downtown South Bend. The station a Chicago was shared with the CW&I.
1915. SNAPSHOT: The GT main line operated 10 passenger and freight trains in each direction between Battle Creek and Chicago. Four trains were operated up and down the Pavilion to Kalamazoo branch. [GTOS-1915-1102]
1971. Chicago - Joint operation on Chicago & Western Indiana between C&WI Junction (mp 4.9) and Chicago.
1971. South Bend - Joint operation on Penn Central (LS&MS) between High Street and Arnold Street.
1971. Battle Creek - Joint operation by Penn Central (MC) on GTW from Main Street and Nichols interlocking.
The following sources are utilized in this website. [SOURCE-YEAR-MMDD-PG]:
