The 1-2-3 Route Number Difference Game

[ilpt4u]

From the Louisiana Shield Gallery here @ aaroads.com

526 - 80 = 446 (Shreveport, LA); Could very easily also be 526 - 79. Just sayin...


Sourced from www.aaroads.com/shields/thumbs.php?state=LA

[formulanone]

646 - 199 = 447 on I-64

[ilpt4u]

Crediting interstate-guide.com's page on I-490 in Ohio

490 - 42 = 448 (Cleveland)


Sourced from https://www.interstate-guide.com/i-490_oh.html

[Jim]

460 - 11 = 449 on I-81 in Virginia.  July 16, 2013.

[ilpt4u]

Crediting billburmaster.com's page on US 24 in Peoria County, IL

474 - 24 = 450 (Bartonville)


Sourced from http://www.billburmaster.com/rmsandw/illinois/us/us24peoriail.html

[Throckmorton]

491 - 40 = 451

I had hoped to find something a little more obscure but, honestly, it's giving me a headache.



Picture is from

http://www.corcohighways.org/highways/wy/wyroutes/?p=3470

[ilpt4u]

Crediting interstate-guide.com's page on I-475 in Ohio

475 - 23 = 452 (Toledo area)


Sourced from https://www.interstate-guide.com/i-475_oh.html

[ilpt4u]

Invoking the 24 hour rule...and crediting interstate-guide.com's page on I-496 in Michigan, again

496 - 43 = 453 (Lansing area)


Sourced from https://www.interstate-guide.com/i-496_mi.html
Yes, I used the same pic for 496 - 69 = 427

[Jim]

476 - 22 = 454.  I-78 near Allentown, Pennsylvania.  July 4, 2006.

[ilpt4u]

Crediting billburmaster.com's page on I-475 in Ohio

475 - 20 = 455 (Toledo area)


Sourced from http://www.billburmaster.com/rmsandw/ohio/interstate/475oh.html

[Henry]

485 - 29 = 456

[Jim]

490 - 33 = 457.  I-490 in the Rochester, New York, area.  May 28, 2009.

[ilpt4u]

From the collection here @ aaroads.com. The I-485 shield could be entered into an ugly competition...

485 - 27 = 458 (Locust, NC/Charlotte area)


Sourced from https://www.aaroads.com/guide.php?page=s0024wenc

[paulthemapguy]

475 - 16 = 459


GA-I-75X156NA1 by Paul Drives, on Flickr

[formulanone]

540 - 70 = 470

Oops, wrong number.

[7/8]

540 - 70 = 470 by Roadgeekadam

Unfortunately we're only at 460. Keep that picture ready for 10 numbers from now

[ilpt4u]

Crediting interstate-guide.com's page on I-440 in Arkansas

530 - 70 = 460 (Little Rock)


Sourced from https://www.interstate-guide.com/i-440_ar.html

[Jim]

485 - 24 = 461.  I-77 in North Carolina.  July 16, 2013.

[ilpt4u]

From the collection here @ aaroads.com

471 - 9 = 462 (Covington, KY/Cincy, OH area)


Sourced from https://www.aaroads.com/guide.php?page=s0009ky

[Henry]

510 - 47 = 463

[ilpt4u]

From the collection here @ aaroads.com

470 - 6 = 464 (Denver area)


Sourced from https://www.aaroads.com/guide.php?page=s0470waco

[Jim]

530 - 65 = 465.  I-30 in Arkansas.  July 23, 2015.

[ilpt4u]

Crediting interstate-guide.com's page on Ohio's I-480

480 - 14 - 466 (Cleveland area)


Sourced from https://www.interstate-guide.com/i-480_oh.html

[Jim]

495 - 28 = 467 in Buzzards Bay, Massachusetts.  August 29, 2001.

[ilpt4u]

Crediting interstate-guide.com's page on I-474 in IL

474 - 6 = 468 (Peoria area)


Sourced from https://www.interstate-guide.com/i-474_il.html