Editing Interstate Highway System (section)

===States===
* '''Most states served by an Interstate''': 15&nbsp;states plus the District of Columbia: [[Interstate 95|I-95]] through [[Interstate 95 in Florida|Florida]], [[Interstate 95 in Georgia|Georgia]], [[Interstate 95 in South Carolina|South Carolina]], [[Interstate 95 in North Carolina|North Carolina]], [[Interstate 95 in Virginia|Virginia]], [[Interstate 95 in the District of Columbia|DC]], [[Interstate 95 in Maryland|Maryland]], [[Interstate 95 in Delaware|Delaware]], [[Interstate 95 in Pennsylvania|Pennsylvania]], [[Interstate 95 in New Jersey|New Jersey]], [[Interstate 95 in New York|New York]], [[Interstate 95 in Connecticut|Connecticut]], [[Interstate 95 in Rhode Island|Rhode Island]], [[Interstate 95 in Massachusetts|Massachusetts]], [[Interstate 95 in New Hampshire|New Hampshire]], and [[Interstate 95 in Maine|Maine]].<ref name="fhwa-facts-1" />
* '''Most Interstates in a state''': 32 routes: New York, totaling {{convert|1750.66|mi|km|abbr=on}}<ref name="fhwa route log">{{cite web |title = Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico |url = https://www.fhwa.dot.gov/planning/national_highway_system/interstate_highway_system/routefinder/table03.cfm |work = Route Log and Finder List |publisher = Federal Highway Administration |access-date = August 25, 2018 |archive-url = https://web.archive.org/web/20180711030748/https://www.fhwa.dot.gov/planning/national_highway_system/interstate_highway_system/routefinder/table03.cfm |archive-date = July 11, 2018 |url-status = live }}</ref>
* '''Most primary Interstates in a state''': 13 routes: Illinois{{#tag:ref|This counts the suffixed routes in Texas ([[I-35E (Texas)|I-35E]], [[I-35W (Texas)|I-35W]], [[I-69E]], [[I-69C]], and [[I-69W]]) as auxiliary routes or parts of the same primary Interstate and not separate primary Interstates.|group=lower-alpha}}<ref name="fhwa route log" />
* '''Most Interstate mileage in a state''': {{convert|3233.45|mi|km|abbr=on}}: Texas, in 17 different routes.<ref name="fhwa-facts-1" />
* '''Fewest Interstates in a state''': 3 routes: Delaware, New Mexico, North Dakota, and Rhode Island. Puerto Rico also has 3 routes.<ref name="fhwa route log" />
* '''Fewest primary Interstates in a state''': 1 route: Delaware, Maine, and Rhode Island (I-95 in each case).<ref name="fhwa route log" />
* '''Least Interstate mileage in a state''': {{convert|40.61|mi|km|abbr=on}}: Delaware, in 3 different routes.<ref name="fhwa route log" />