English: Lane splitting and filtering legality and related legislative bills in the USA, coded with colors per states:

Yes for motorcycles to get through traffic jam within the conditions in the above table:

• Green: considerably permissive: 2 states

1. California
2. Montana (A bill in 2017 [1] died.)

• Blue-gray: with considerable limits, like where on the road and expected expiry of permissive law: 3 states

1. Arizona (The bills in 2020 [2], 2018 [3] [4], and 2010 [5]) died.)
2. Colorado (The bills in 2023 [6] and 2016 [7] died.)
3. Utah (The bills in 2017 [8] and 2014 [9] died.)

Not authorized or legally referenced for motorcycles:

• Yellow: with filed legalizing bills: 4 states

  Mississippi (2016 [10])

  Missouri (2024 [11], 2023 [12])

  New Jersey (2022 [13], 2006 [14])

  Rhode Island (2024 [15], 2023 [16], 2020 [17])

• Orange: without filed legalizing bills known: District of Columbia and 9 states (Arkansas, Delaware, Idaho, Kentucky, New Mexico, North Carolina, Ohio, West Virginia, Wisconsin)

No for motorcycles, often except police officers on duty:

• Red: with filed legalizing bills: 15 states

  Connecticut (2019 [18])

  Georgia (2015-16 [19])

  Hawaii: The bill to allow the Department of Transportation to conditionally allow motorcycling on shoulders became law as Act 218 on July 12, 2018, to take effect on January 1, 2019 and to repeal on December 31, 2020, after failing two bills in 2017. [20] [21]

  Illinois (2006 [22])

  Maryland (2020 [23], 2019 [24])

  Massachusetts (2023-24 [25], 2019-20 [26] [27] 2007 [28], 2005 [29])

  Minnesota (2024 [30], 2017 [31])

  Nevada (2013 [32])

  New Hampshire (2016 [33])

  Oklahoma (2024 [34] [35], 2021 [36])

  Oregon (2023 [37], 2021 [38], 2019 [39], 2017 [40], 2015 [41] [42], 2013 [43] [44])

  Tennessee (2023 [45] [46], 2016-17 [47], 2015 [48] [49])

  Texas (effective September 1, 2023 per the House Bill 4122 after bills in 2019 [50], 2018-19 [51], 2017 [52], 2015 [53] [54], 2009 [55], and 2005 [56] failed to allow filtering)

  Virginia (2022 [57], 2020 [58], 2019 [59])

  Washington (2023 [60], 2021 [61], 2019-20 [62], 2017 [63] [64], 2015-16 [65], 2008 [66] [67]))

• Black: without filed legalizing bills known: Northern Mariana Islands, Puerto Rico and 17 states

  Alabama

  Alaska

  Florida

  Indiana

  Iowa

  Kansas

  Louisiana

  Maine

  Michigan (bicycle lane splitting ban from 2006 Law removed by 2010 Law)

  Nebraska

  New York (moped with top speed up to 30 miles per hour (48 km/h) allowed on shoulder of permissive highway)

  North Dakota

  Pennsylvania

  South Carolina

  South Dakota

  Vermont

  Wyoming