I was noticing in Roxbury, NJ on I-80 at Exit 28 with Landing Road, the control cities are Ledgewood and Lake Hopatcong. Yet in order to reach the former from I-80 WB and the latter from I-80 EB, u turns must be made as both ramps head in the opposite direction of said controls.
https://goo.gl/maps/DX6oc1zMz6UbFzWK8
The above map link shows the missing interchange movements and you can see from EB I-80 to reach Lake Hopatcong to the north on Landing Road, one must merge into Landing Road south to merge into US 46 EB, and then u turn to US 46 west at a jug handle to return to Landing Road toward Lake Hopatcong.
Then I-80 west to Landing Road south to Ledgewood requires a merge onto Landing Road North and then a u turn through Shippenport Road's interchange with Landing Road to head south of I-80 to Ledgewood.
Where else do you need to turnabout to reach a signed control city at either an interchange or intersection?
To access Gilroy from the east end of CA 156 traffic is directed onto CA 152 eastbound and u-turn at Casa de Fruita onto CA 152 westbound:
https://flic.kr/p/2ndB9sE
Sounds like a thread that will be dominated by Michigan Lefts. There's no way this is the only example, but getting to the town of Ionia from EB I-96 via M-66 requires a U-Turn (map link) (https://goo.gl/maps/4EZ8o7Bo63x8H91G6).
They even have special signage for this particular situation: https://goo.gl/maps/4zeo6SLXyyXqTeZm9
Does I-86 at I-390 (https://www.google.com/maps/@42.3881935,-77.3823307,854m/data=!3m1!1e3) count? (Probably not, but worth a shot.)
One of several examples on 301 on the Eastern Shore: https://www.google.com/maps/@39.32042,-75.8463218,3a,75y,12.4h,75.57t/data=!3m6!1e1!3m4!1scEp7xhwLuDkppzzTLYdWZA!2e0!7i13312!8i6656 (https://www.google.com/maps/@39.32042,-75.8463218,3a,75y,12.4h,75.57t/data=!3m6!1e1!3m4!1scEp7xhwLuDkppzzTLYdWZA!2e0!7i13312!8i6656)
Quote from: webny99 on November 02, 2022, 10:42:34 PM
Does I-86 at I-390 (https://www.google.com/maps/@42.3881935,-77.3823307,854m/data=!3m1!1e3) count? (Probably not, but worth a shot.)
No.
It's got to be a ramp signed for a city for a place one must you u turn, after, the exit.
Quote from: epzik8 on November 03, 2022, 07:15:57 AM
One of several examples on 301 on the Eastern Shore: https://www.google.com/maps/@39.32042,-75.8463218,3a,75y,12.4h,75.57t/data=!3m6!1e1!3m4!1scEp7xhwLuDkppzzTLYdWZA!2e0!7i13312!8i6656 (https://www.google.com/maps/@39.32042,-75.8463218,3a,75y,12.4h,75.57t/data=!3m6!1e1!3m4!1scEp7xhwLuDkppzzTLYdWZA!2e0!7i13312!8i6656)
I'm talking about a freeway or expressway that is signed at a ramp, where the city is directing you onto a roadway that heads the other way from it where you need to turnabout to get back on course.
Quote from: roadman65 on November 02, 2022, 09:56:04 PM
Where else do you need to turnabout to reach a signed control city at either an interchange or intersection?
Quote from: roadman65 on November 03, 2022, 07:39:26 AM
I'm talking about a freeway or expressway that is signed at a ramp, where the city is directing you onto a roadway that heads the other way from it where you need to turnabout to get back on course.
You left it ambiguous. You could have been saying that your
turnabout needs to be at an interchange or intersection, or you could have been saying that the
control city needs to be signed at an interchange or intersection.
Now let the thread be flooded with Michigan Left intersections...
Quote from: roadman65 on November 03, 2022, 07:39:26 AM
Quote from: epzik8 on November 03, 2022, 07:15:57 AM
One of several examples on 301 on the Eastern Shore: https://www.google.com/maps/@39.32042,-75.8463218,3a,75y,12.4h,75.57t/data=!3m6!1e1!3m4!1scEp7xhwLuDkppzzTLYdWZA!2e0!7i13312!8i6656 (https://www.google.com/maps/@39.32042,-75.8463218,3a,75y,12.4h,75.57t/data=!3m6!1e1!3m4!1scEp7xhwLuDkppzzTLYdWZA!2e0!7i13312!8i6656)
I'm talking about a freeway or expressway that is signed at a ramp, where the city is directing you onto a roadway that heads the other way from it where you need to turnabout to get back on course.
Understood, but I still love that highway.
Are you counting stuff like this?
https://goo.gl/maps/dviKQ6Ro2j3sDQK58
https://goo.gl/maps/RZELhQ8HyuNDGDPV8
Because that kind of setup is all over Mexico.
I'm also confident there must be at least one example it Texas, where a state highway hits an Interstate, but you have to go the opposite way down the frontage road before U-turning shortly thereafter. I've found plenty of examples of that without control cities, but none so far with control cities.