On a sunny morning in downtown Chicago, CNs daily M337 manifest rounds around 16th street interlocker beneath the iconic skyline.

Freeport Freeway. After picking up CN 2310 and 2335 at Munger, CN train M337 gets back underway as they struggle getting back up to trackspeed with a long train for Waterloo. IC SD70s 1026 ... (more)

A pair of Illinois Central "Deathstar" SD70s make a rare appearance leading CN M337 on this 4th of July holiday, seen here crossing the Fox River in South Elgin, IL. The track in the low... (more)

After holding for three Metra’s at 16th Street, and for Amtrak 391 to head south… CN M337 with a duo of Illinois Central SD70’s, #1035 and #1032 get underway past 18th Street on home Illinoi... (more)

It's a classic Illinois Central scene at Hawthorne Yard as SD70's 1034 and 1033 take a pull with M337, passing by the leaning, but still standing R2 signal.

The GTW heritage engine leads CN train M337 by the ICG Switch Tower in Homewood.

M337 will reach the Freeport Yard in just over 10 miles. Normally, this train works Freeport before continuing West. On this day, however, they highballed any work they had.

CN 8016 leads CN's daily Westbound manifest West on the Freeport Sub.

With a CSX SD70MAC and a CN Canadian cab Dash 9 for power, M337 awaits a new crew at the plant in Riverside. A recrew would show up about a half hour later and take the train west.

After working Hawthorne Yard, M337 heads west through North Riverside, IL as it crosses the Des Plaines River on a cold afternoon. Leading the way is IC C40-8W #2460. Built as the LMS 733 in Octob... (more)

After trekking through downtown Chicago, M337 heads over the Chicago Sanitary and Ship Canal. The train is a mile or two out from Hawthorne Yard where the train will be recrewed and head west to I... (more)

A duo of CSX SD40-2s lead CN M337 west through the city.

It's a gorgeous day in downtown Chicago and CN gave us fans a good one! Here we see CSXT 8823 lead M337 through Chicago on the old Illinois Central. To the left is the St. Charles Air Line drawbri... (more)

The sun beats down on Chicagoland, as a... newly released from storage... SD70M-2 takes the daily M337 thru the long tree tunnel that is Addison, IL.

CN train M337 flys though the farm fields of Northern Illinois as the sun sets.