Photo By: Kevin Morgan

There are not that many Tier-4 units in the United States. Even less common (in Colorado) are Norfolk Southern ET44ACs. However, there just happened to be one leading an eastbound BNSF oil train on the Moffat this afternoon. The train is coming through the shortest tunnel in the Tunnel District, Tunnel 29. Email Questions or Comments to the Webmaster. User Comments (0) No comments posted yet. Click Here to add the first one!

10 views 0 comments Monday, August 11, 2025 at 4:15:56 PM image date Location Information City or County and State Boulder County, CO Subdivision Moffat Tunnel (UP) Milepost or Control Point Tunnel 29 (MP 36.4, 75 ft) Train Information Railroad NS, BNSF Model ET44AC Primary Unit Number NS 3641 Paint Scheme NS Standard Symbol Train Type Unit Oil Photo Information Camera Make/Model Hasselblad / Mavic 3 / Mavic 3 Pro [L2D-20c] ISO 120 Flash Did Not Fire Focal Length 24 mm Shutter 1/1000 seconds Aperture f/2.8

	Check out ColoradoRailfan.com on Facebook
	Check out the latest ColoradoRailfan.com photos on Flickr

ColoradoRailfan.com Email Subscription To receive updates made to ColoradoRailfan.com via Email, Click Here.

The D&RGW Site Ring This site owned by: Kevin Morgan Add Your Site SiteRing by Bravenet.com

SiteRing by Bravenet.com

All content ©2000,2025 by Kevin Morgan, except where noted. Please do not use any material from this site without permission. Thank You.