Lane Ends, Merge Left: Redesigning the W4-2 Road Sign to End
![](https://99percentinvisible.org/app/uploads/2016/05/w4-dash-two-original.jpg)
The W4-2, also known as the Lane Reduction Transition Sign, is one of the most ubiquitous road signs in the United States — historically, it has also been on of the most confusing. This “Lane Ends” sign often appears in places where a passing lane is eliminated along a rural highway or an entrance lane merges
![](https://www.transportation.ohio.gov/wps/wcm/connect/gov/9ac2b0cd-20ce-4caa-85bc-5eeaeca55d1e/2/W20-H13.png?MOD=AJPERES)
6 - Temporary Traffic Control Ohio Department of Transportation
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Lane Ends, Merge Left: Redesigning the W4-2 Road Sign to End, One
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The Lane Ends Merge Now Sign Is There For A Very Good, 43% OFF
![](https://99percentinvisible.org/app/uploads/2016/05/w4-alts.jpg)
Lane Ends, Merge Left: Redesigning the W4-2 Road Sign to End
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![](https://99percentinvisible.org/app/uploads/2016/05/signage-copy.jpg)
Lane Ends, Merge Left: Redesigning the W4-2 Road Sign to End
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![](https://99percentinvisible.org/app/uploads/2017/11/traffic-conflict.jpg)
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![](https://99percentinvisible.org/app/uploads/2017/06/IMG_0033.jpg)
Lane Ends, Merge Right: 10 (More!) Redesign Ideas for the W4-2
![](https://img.yumpu.com/48858422/1/500x640/public-comment-report-06-25-08-trimet.jpg)
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![](https://md-signs.com/media/catalog/product/cache/1/small_image/130x/66d674493dd736d89f53cbab35042d28/w/4/w4-4p_thumb_1.gif)
W4 Series Signs - Merge & Lane Transition
![](https://nap.nationalacademies.org/books/22958/gif/17.gif)
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