On a Thursday morning in August, I will set off from Cape Cod. I want to get to JFK at 16.00h (my flight to Europe departs 19.25h, but I like to be early). Google says I can drive it in a little over 4 hours, but the road is long (260 miles), with many a winding turns...

What time would I have to set off at to be certain (beyond reasonable doubt) that I'd make it? Has anyone actually driven this route?

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    What day of the week? This is an extremely important factor for predicting traffic around and in both New York City and Cape Cod. – phoog May 24 '16 at 20:34
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    There aren't that many winding turns. It's almost all motorway. I'd say 11:30 am, and use Waze. – Michael Hampton May 24 '16 at 21:06
  • I was sorry to see checking for flights that Provincetown Boston Airlines folded in 1989. Last commercial service in the USA using a DC-3. I'd be very worried about getting caught in traffic on any day with tourism (example, Sunday in summer), but there are no flights. – Andrew Lazarus May 24 '16 at 21:51
  • @phoog: It will be a Thursday - I edited the question accordingly. Thanks for your input. – Oscar Bravo May 25 '16 at 6:47
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    Note that Google maps enables you to give a specific point in time you want to arrive by, and will adjust the time estimate accordingly (it says 4h to 5h10 for a 4pm arrival, agains 4h-4h30 for 4am). It even shows where it anticipates heavy traffic (not much of surprise here, I-678 crossing Queens). Of course, it's only an estimate, so add your own safety margin to that. – jcaron May 25 '16 at 14:09

The answer depends very much on your degree of risk aversion, and on how much of your "like to be early" buffer you are willing to lose to traffic or other delays en route.

As Michael Hampton noted in a comment, the drive is almost entirely motorway, so depending on your driving habits and the traffic, you might be able to average 75 miles an hour (120 km/h) or you might not do better than 45 (72 km/h). So I'd probably allow six hours of driving time, plus time for breaks to refuel and whatnot.

If you are willing to arrive at 5:30 if the traffic is heavy, you could probably get away with leaving at 11:30. But if you are not, and being there at 4 is truly important to you, you should leave at least by 10, and if you are strongly averse to risk and/or the stress of worrying whether you'll make it, you might want to leave closer to 9.

Traffic on I-95 in Connecticut can be truly horrendous. It once took me something like 6 hours just to drive from Manhattan to New Haven, about 75 miles (120 km), but that was the Sunday after Thanksgiving and there was a particularly nasty accident on I-95. I was also on the road once immediately after a bridge collapsed, but I was not driving and I did not note the precise duration of the trip.

Horrific anomalies aside, I would leave more time if it is Sunday or Friday; three hours from New Haven to New York wouldn't be terribly surprising.

You might give yourself some flexibility by planning to take a little detour for a nice lunch or something like that, somewhere closer to the airport. If the traffic turns out to be bad, you can cut that short, or skip it altogether and go straight to the airport.

  • 95 southbound is usually not too bad in the afternoons, as most of the traffic will be northbound. – Michael Hampton May 24 '16 at 22:58
  • @MichaelHampton unless it's Sunday. – phoog May 24 '16 at 23:33
  • This is a great answer with some real inside knowledge from someone who's walked the walk! I feel re-assured enough that I think I can do it. Just to expand on the situation - I'll have a wife and two kids and boot (trunk?) full of suitcases so stress-level will already be at 11 when I set off. I'll be ultra-pessimistic and hit the road for 08.00h. I'm sure there's plenty to keep the kids amused at JFK :-) – Oscar Bravo May 25 '16 at 7:35
  • RIght, on Sunday afternoon it will be a parking lot. The rest of the week, this should be a straightforward trip, barring accidents. – Michael Hampton May 25 '16 at 10:52

If you really want to avoid the worst of the Connecticut and NYC traffic, or if you want to break up your trip in the middle, you could always use the Cross-Sound Ferry from New London, CT to Orient Point, NY (on Long Island.) The voyage takes about an hour and a half, and costs $55 (one-way) for a car & driver, $15 for each additional adult, and $6 for each additional child. Departures are at least once per hour during daylight hours, and sometimes twice per hour.

This route doesn't actually save you any driving time (Google Maps shows 2 hours from Barnstable to New London and 2 hours from Orient Point to JFK); and instead of CT traffic, you'll have to deal with inbound traffic on the Long Island Expressway instead. (Choose your poison.) But it might be a fun thing for the kids to do; if nothing else, it'll give you a break in the middle of the day to get some food and let the kids stretch their legs.

  • This is an interesting idea - I'll certainly look into it. On the map, it looks like you'd expect a bridge to cross over, but when you zoom in, the channel is actually quite wide... – Oscar Bravo May 26 '16 at 10:45
  • @OwenBoyle: There are some longer spans of water in the world with bridges across them, but not many. There have been many proposals over the years to build a bridge from Connecticut (or even Rhode Island) to Long Island, but none have come to fruition. – Michael Seifert May 26 '16 at 14:22

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