CDOT Late Merge - How to merge within a work zone
Zip it Colorado: We are begging you merge the only right way
CDOT asking drivers to “zipper merge” amid traffic, construction
Zipper merge: The best way to keep traffic moving | VERIFY
Help us get the Colorado DMV to include 'zipper merge' in the driver handbook
Zipper Merging - Does It Actually Happen?
Zipper Merge Demonstration
Does zipper merging actually happen in Colorado Springs?
Why Traffic Scientists Want You to Cut People Off
What's Driving you Crazy? Why doesn't CDOT use zipper merger signs on on-ramps?
Colorado should take notes from Maine on zipper merging
Denver7's Russell Haythorn takes a 360 look at zipper merging Monday at 10 p.m.
CDOT updates road signs encouraging Coloradans to 'zipper merge'
Zipper merging will be added to Colorado Driver Handbook
360° Perspective: Zipper Merging
Zip it, Colorado, and spread the word
Federal Highway Administration tested signs for proper zipper merging
Zipper Merge
The Person Who Cut You Off In Traffic Is Right - Cheddar Explains
MnDOT | Zipper Merge Traffic Camera Instructional