The 1-2-3 Route Number Difference Game

[Henry]

408 - 4 = 404

[Jim]

480 - 75 = 405 in Omaha.  July 20, 2015.

[ilpt4u]

From the collection here @ aaroads.com

435 - 29 = 406 (Kansas City, MO area)


Sourced from https://www.aaroads.com/guide.php?page=i0435iamo

[paulthemapguy]

Indiana:

421 - 14 = 407


IN-US421-014NN by Paul Drives, on Flickr

[ilpt4u]

Crediting interstate-guide.com's page on I-77

422 - 14 = 408 (Cleveland)


Sourced from https://www.interstate-guide.com/i-077.html

[Jim]

585 - 176 = 409 on I-85 in South Carolina. May 25, 2005.

[ilpt4u]

Crediting the collection here @ aaroads.com

421 - 11 = 410. (Bristol, VA)

Take your pick of Southbound 11E or Northbound Truck 11. Wrong way concurrencies rock!


Sourced from https://www.aaroads.com/guide.php?page=u0011eva

[Jim]

435 - 24 = 411 in the KC area.  July 29, 2016.

[formulanone]

441 - 29 = 412 in Dublin, GA


In Dublin, GA by Shawn Latta, on Flickr

[Henry]

490 - 77 = 413

[ilpt4u]

From the collection here @ aaroads.com, also in the Cleveland area

422 - 8 = 414


Sourced from https://www.aaroads.com/midwest/i-480e_oh.html

[7/8]

446 - 31 = 415 (on I-65 in KY)

[ilpt4u]

From the collection here @ aaroads.com

440 - 24 = 416 (Nashville, TN area)


Sourced from https://www.aaroads.com/guide.php?page=i0024wetn

[formulanone]

441 - 24 = 417 in Gainesville:

[ilpt4u]

From the collection here @ aaroads.com

421 - 3 = 418 (Greensburg, IN)


Sourced from https://www.aaroads.com/guide.php?page=s0003nbin

[Jim]

518 - 99 = 419.  Taken in SeaTac, Washington.  March 10, 2017.

[ilpt4u]

Crediting interstate-guide.com's page on Nevada's I-515

515 - 95 = 420 (Vegas, baby!)


https://www.interstate-guide.com/i-515_nv.html

I think 420 is appropriate for Nevada...I believe they recreationally legalized this past summer

[ilpt4u]

Bringing the Grid up to 420. If I errored, let me know, I'll correct

Code Select Expand

1  2  3  4  5  6  7  8  9  0
ON MN TX IA SK MN ON WA ON OH  10
TX DE GA VA MB NE FL MN SK MN  20
ON IA NY GA KS MN VA IA VA IA  30
IL IA NE IA MB GA MN IL MB UT  40
IA PA AL IA IL IA ON MN ON AZ  50
IN IA IN MN UT GA KY FL MN IL  60
IA MI GA IA WY MO ON IA AL IA  70
GA IA OH MN FL MN GA CT GA UT  80
NY IL IA IN MN CT IA AL IL IA  90
1  2  3  4  5  6  7  8  9  0
FL MB MN MA IL GA OH QC AL MN  100
WI QC IL WV MN TX ON VT IL GA  110
QC SC IN IL MN NC ME GA KS KS  120
PA UT IN IN IA WI AL MA AR MA  130
GA IL QC NY IL IA VT NY AL AZ  140
IL MN IL GA IA NE OH MN UT NC  150
AL MN IL SK SC NY OH OK IL VA  160
MN ME IA IL NJ LA IA OK OK MO  170
LA IL AL SD IN GA IN MN CT NC  180
FL IN IA IA UT NJ MN IA TX OH  190
1  2  3  4  5  6  7  8  9  0
MN OH SC IN ME PA KS MN TX IA  200
PA VA PA MN GA AL WY VA ND UT  210
NH IA IN IL OK KY AL IL LA IL  220
IN WV OH IA MO MB IL GA MN IL  230
GA IA IL NC IL AL IL PA IL GA  240
SC GA WV GA CO IA CO TX FL IA  250
MD IL TN TX DE IL GA FL KY FL  260
OK NJ KY IL IA GA IL TX ME IL  270
OH TX GA FL IL VA SC NJ OH TX  280
OH IL OH GA FL NH LA GA IA NC  290
1  2  3  4  5  6  7  8  9  0
IL PA IL IN GA PA NC WV MO IA  300
ME IL OH CA QC VT IN GA UT NM  310
IL GA WA GA NV NY IL GA NY NY  320
IL MO VA GA MD PA QC MO NY OH  330
ON NY OK NC NY MO AZ OK AL SC  340
MN VA PA KS NY PA KS OK FL KS  350
OH NY IA PA OH IN MO IL TX NY  360
KY VA CT MO OH MO AR OK IN TN  370
MA MI NY VA NY NC CA AL VA CA  380
CA IN WA MN TX TX LA IL CA GA  390
1  2  3  4  5  6  7  8  9  0
NY MN IL NY CA VA TX IN MO IN  400
FL MA VA FL NE MO IN OH SC VA  410
MO GA OH OH KY TN FL IN WA NV  420

[jflick99]

I-470 - I-49 = 421 (Kansas City, MO)

[paulthemapguy]

I mean, it was inevitable.
We'll go the standalone route this time, rather than the BGS route.

515 - 93 = 422


NV-US93-I-515D by Paul Drives, on Flickr

[formulanone]

501 - 78 = 423 from Adam Prince's sign collection:


Sign Foul! by Adam Prince, on Flickr

(This sign no longer around, it's been replaced with typical shields.)

[ilpt4u]

Crediting hbelkins and his millenniumhwy.net page

460 - 36 = 424 (Frenchburg, KY)


Sourced from http://www.millenniumhwy.net/KY_WV_various_2002/KY_WV_various_2002.html

[ilpt4u]

Invoking the 24 hour rule...and crediting billburmaster.com's page on Indy's I-465

465 - 40 = 425 (Indy Beltway - East Side)


Sourced from http://www.billburmaster.com/rmsandw/indiana/interstate/465in.html

[Jim]

441 - 15 = 426 near Athens, Georgia.  December 26, 2004.

[ilpt4u]

Crediting interstate-guide.com's page on I-496 in Michigan

496 - 69 = 427 (Lansing)


Sourced from https://www.interstate-guide.com/i-496_mi.html