Editing Super Bell Subway

*Several shops appear along the sides of the raceway that make appearances elsewhere in ''Mario Kart 8'', such as Yoshi's Egg Market.

*The map at the starting line of the track appears to connect nearly all of the raceways that appear in ''Mario Kart 8''.<ref name="RailMap" /> Several other detailed maps by the subway lines also include the names of playable courses and the in-game business advertisements.<ref name="City Map">[[Media:MK8 dSBS City Map.png|The City Map found in Super Bell Subway]].</ref> Much like an actual subway, there are exits for different stations written on signs above the track stating the names of various courses.<ref name="RailMap" />

*[[World 1-2 (Super Mario Bros.)|World 1-2]] from ''Super Mario Bros.'' is shown on the graffiti found in the underground section.<ref name="Graffiti">[[Media:MK8 dSBS Graffiti.png|The graffiti found in Super Bell Subway]].</ref>

**The graffiti also references [[Bullet Bill]]s, [[Warp Pipe]]s, [[Koopa Troopa]]s, and a [[Piranha Plant]]; this is located before the World 1-2 graffiti under the ramp. The graffiti near the World 1-2 graffiti references the [[Koopalings]].<ref name="Graffiti" />

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*[[Bone-Dry Dunes]] (Rail map (Blue bell line))

*[[Bowser's Castle (Mario Kart 8)|Bowser's Castle]] (Rail map (Green bell line))

*[[Dolphin Shoals]] (Rail map (Blue bell line))

*[[Dragon Driftway]] (Rail map (Red bell line))

*[[Electrodrome]] (Rail map (Red bell line))

*[[Excitebike Arena]] (Rail map (Green bell line))

*[[Ice Ice Outpost]] (Rail map (Red bell line))

*[[Mario Circuit (Mario Kart 8)|Mario Circuit]] (Rail map (Red/Green bell line))

*[[Mario Kart Stadium]] (Rail map (Red bell line))

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*[[Rainbow Road (Mario Kart 8)|Rainbow Road]] (Rail map (Orange bell line))

*[[Shy Guy Falls]] (Rail map (Green bell line))

*[[Sunshine Airport]] (Rail map (Green bell line))

*[[Sweet Sweet Canyon]] (Rail map (Blue bell line))

*[[Toad Harbor]] (Bottles, local information map (Exit A, B1))

*[[Twisted Mansion]] (Rail map (Green bell line))

*[[Water Park]] (Rail map (Orange bell line))

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==Names in other languages==

{{foreign names

|Fre=Métro Turbo

|FreM=Turbo Metro

*Similarly to [[Sunshine Airport]], Super Bell Subway features a PA voice in the background that can be heard faintly. The female intercom speaks German and says general things often heard in German train stations; however, there are several grammatical errors in the speech.<ref>Ray Koopa. (May 10, 2015). [https://www.youtube.com/watch?v=VhMwm47cn6k Mario Kart 8 - Super Bell Subway Intercom is German (kinda)]. ''YouTube''. Retrieved: May 11, 2015; After YouTube removed annotations as a feature, a German speaker provided this translation in the comments: "40. Attention.  The 5:14 ICE runs through (not understandable).  5 to 10 minutes less delay when the train arrives.  We ask for your understanding."</ref>

*Super Bell Subway is one of three [[new course]]s in ''[[Mario Kart 8]]'' to not feature [[anti-gravity]], the other two being [[Excitebike Arena]] and [[Animal Crossing]]; it is the only one of these to not be based on another franchise.

**The map has a key showing the location of several sponsors advertised throughout the game, but [[List of sponsors debuting in Mario Kart 8 and Mario Kart 8 Deluxe#Morton Construction|Morton Construction]] is listed with a typo as "Moton Construction". This map was the first mention of [[List of sponsors debuting in Mario Kart 8 and Mario Kart 8 Deluxe#Wendy's Car Interiors|Wendy's Car Interiors]], advertisements for which later appeared in ''[[Mario Kart Tour]]'' and the ''[[Mario Kart 8 Deluxe – Booster Course Pass]]''.

*The sound played when passing through the ticket gate is reused in ''Mario Kart Tour'' in [[Tour Tokyo Blur|Tokyo Blur 3]], Tokyo Blur 4, [[Wii DK Summit]], and [[Wii Moonview Highway]].