“Slip road/ramp”

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An image from ukmotorists.com

I need to come up with a term for the phenomenon where Americans adopt a British term but get it wrong. It has come up quite a bit on this blog, recently with “garden/ing leave,” and now with this term for what Americans call and “on [or entrance] ramp” or “off [or exit] ramp.”

The OED defines “slip road” as “a short (usually one-way) road giving access to or exit from a main highway, esp. a motorway; an approach road.” The first citation is from 1953; it and all the other ones are from British sources.

On January 25, Lynne Murphy, of the Separated by a Common Language blog, tweeted this as her “Difference of the Day.” @zekeys_mom responded, “‘Slip ramp’ is creeping into AmE. Used for toll road, minor exits to relieve congestion at major exits. Must have an auto-pay EZPass [the regional electronic toll collection system] to use it.”

Note: she said “slip ramp,” not “slip road.” When I checked Google Books for “slip road,” all the hits appeared to be from British sources, except a quote from a 2014 book by David Reynolds called Slow Road to Brownsville (Texas): “I took a slip road off 83, thinking it would lead into town—and found myself on a dark and crowded interstate heading west away from town.” But it turns out Reynolds is a Brit who wrote about his U.S. travels. I checked the New York Times archives and found “slip road” had been used exactly twice–once in a Reuters news article from London, and once in an article about Formula One car racing. Further research suggested that the term is used racing to mean a sort of escape path, for example: “That wing of his ended up 100 yards from where the car ended up down the Turn 1 slip road.”

That’s pretty much it for U.S. “slip road.” “Slip ramp” is another story. There is no definition for it in the OED, dictionary.com or merriam-webster.com. However, @zekeys_mom sent some links with uses of it, including a 2002 news release from the (U.S. state of) Pennsylvania, which helpfully defines the term: “The Pennsylvania Turnpike Commission today announced it will not advance preliminary plans to design and construct two ‘slip ramps’ — which are unmanned, E-ZPass only ramps built between existing interchanges.” The quotation marks indicate a newish usage, but as of 2015 it still hadn’t taken hold; a Pennsylvania newspaper article that year refers to “so-called slip ramps.”

Consulting Google Books, I found the earliest use of “slip ramp” in a 1959 issue of a state of California publication,  “California Highways and Public Works.” The caption to a map says, “The circled ‘A’ and arrow point out the new slip ramp on the Harbor Freeway.” This was long before the invention of E-ZPass and such systems and suggests the term was used more generally, for exit ramp.

But it’s been used in different ways as well, as shown by a 2011 discussion on the AARoads Forum. Someone asked, “Maybe I’m crazy, but I don’t know exactly what a slip ramp is? What is it, and how does it differ from a normal freeway exit ramp?”

The answers were somewhat all over the map. A San Diegan said he had always used it to mean “a ramp between parallel sets of carriageways – for example, freeway main lanes to the frontage road, or vice versa. Basically, you end up ‘slipping’ over a few feet, but going in the same direction as before.” A number of commenters agreed with this, but a New Jerseyan posted, “My understanding was that it was a connector between two freeways, that was full speed, at least that is what I think.”

Then a Bostonian said, “I’ve regularly heard and used the term to refer to a right turn at an intersection separated by an island of some sort from the intersection, like this example at Causeway and Washington Streets in Boston.” But then someone else said that what he was really talking about was a “slip lane,” not a “slip ramp.” (I’m not sure why I assume all these people are male, but I feel pretty confident about it.)

Someone from Virginia said, “I remember the old version of the AAA map of Northern Virginia from the mid-1980s used the term ‘slip ramps’ … in reference to the ramps connecting the Dulles Toll Road and the Dulles Access Road. For those unfamiliar, it’s a quad-carriageway with two carriageways in each direction; the inner (free) ones serve airport traffic and the outer (tolled) ones serve local traffic.”

No one could top (or possibly understand) that, and the discussion ended.

 

 

 

9 responses to ““Slip road/ramp”

  1. And yet, ironically, I much prefer the USAian “acceleration lane” as it’s a clear indicator of what you are supposed to do on it.

    It’s a common UK driving grumble that some folk like to spend all day joining the motorway (freeway) ….

  2. On most UK motorways, and certainly all of the original ones from the 1950s, each junction is a multi-lane roundabout constructed over the motorway.

    The roads that join the motorway to the roundabout are “slip roads” because they go from 70mph (originally unlimited) to a halt at the roundabout stop line.

    Because the roundabout is 30 meters about the motorway, the “onramp” is a steep decline causing easy acceleration and the “offramp” is incline, helping the car to slow down to the stop line.

    This is unlike US highway design where you tend to use Cloverleaf junctions, which require no “halt” line.

    So, the use of slip is to mean “go or move quietly or quickly, without attracting notice” is the one used here.

  3. If you want to see the most British of Motorway websites, I can fully recommend http://www.pathetic.org.uk/ !

  4. I hesitate to mention this as its of little relevance, but when I lived in Glasgow in the 70s, I’m pretty certain the local radio and others referred to “slip” roads on motorways as “on” and “off” “Ramps.” That includes the illuminated roadside signs warning of traffic of problems. Regularly, many British roads today describe temporary lumps of asphalt joining old road surfaces to newly laid asphalt as “ramps”
    Driving in to Glasgow University back then, I often recall a pleasant female voice on the radio, warning me that there was trouble at the “Helen Street Off Ramp” on the M8.

    Anyway, referring back to an earlier post, did you ever buy the “Instant Pot” with the porridge option? or however its spelled?

  5. Arthur, we ended up buying the Instant Pot-type device made by the Crock Pot company. So no porridge setting. But otherwise works great.

    • In a very light hearted way, we’ve just visited, recently retired, friends and discovered the practicality of “slow” cookers… again! It was this, and the motorway journey there, that made me want to comment. Near Exeter there was a temporary sign with a symbol showing one lane closed and directly below it wording which said “On Slip.” For a brief confusing moment, my wife and I wondered if the lane closure was at the Off slip or the On Slip, but it turned out to be the exit (Off) slip (ramp)
      Probably worth having sign nomenclature on the agenda at the next international meeting of Highway Builders!!….if they have one?

  6. brianbutterworth

    “I need to come up with a term for the phenomenon where Americans adopt a British term but get it wrong. ”

    It occurs to me that the word should be… to Dick-van-dyke. Americans still to this day he played a “a cockney jack-of-all-trades” called Bert in the film/movie Mary Poppins…..

  7. “I need to come up with a term for the phenomenon where Americans adopt a British term but get it wrong. ”

    Always ? 😉

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