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Sonic Generations
Speed Highway

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Speed Highway (スピードハイウェイ Supīdohaiu~ei?) is the fourth Stage in the console/PC version of Sonic Generations. It represents Sonic Adventure in the Dreamcast era of the game.

Challenge Acts

Act 1

  • Cream: Chao Hunt: Compete with Cream to find more Chao than her and reach the goal.
  • Hot Pursuit: Avoid getting hit by the pursuing enemies and get to the goal in time.
  • High Speed Challenge 2: Collect Power Sneakers to reach the goal before the time runs out.
  • Resisting Arrest: Beware of Cop Speeders! Reach the goal before time runs out.
  • Doppelganger Race!: Face of against Sonic's double and beat him in a race to the goal.

Act 2

  • Overdrift: Grab as many Rings as you can while drifting and get to goal in time.
  • Hot Pursuit: Chase the Sprinkler enemy that's dropping Rings. Collect a set number and reach the goal in time!
  • Doppelganger Race!: Face of against Sonic's double and beat him in a race to the goal.
  • Drill Baby Drill: Smash your way through boxes as you descend to the goal before time runs out.
  • Espio: Master of Camouflage: Only the searchlight can reveal Espio. Face him and get to goal in time.



  • Speed Highway's design and layout is very similar to that of Empire City from Sonic Unleashed and Star Light Zone from Sonic the Hedgehog, including towering buildings and skyscrapers, long, winding highways and several street signs and neon billboards with references to other characters.
  • This version of Speed Highway does not include the "At Dawn" section like the original version, but the background in Act 2 changes to sunrise after passing through the skyscraper section.
    • Despite this, one of Classic Sonic's Challenge Act missions takes place around early-to-mid-morning (dawn).
  • While Modern Sonic runs down the skyscraper mid-way through the level, Classic Sonic appears to go inside the same building, as they both share the same features.
  • The remnants of the actual roads from Speed Highway are used in the battle against Perfect Chaos, just like in the original Sonic Adventure.
  • This is the only stage in the Dreamcast era not to be the beginning stage in its original game.

The poster of Chao in Space.

  • On the Chao in Space billboards in this stage, multiple Sonic characters are listed as appearing in the film. Some characters' names were misspelled.
  • The fact that Cream appears in Speed Highway might be a reference to her cameo appearance in Sonic Adventure DX: Director's Cut.
  • While the cars in the original Speed Highway were modern designs, the cars in this version are all Volkswagen-esque vehicles.
  • In White Space, just behind Cream and Cheese, there's a "Chao in Space 4" movie poster.
  • Unlike the gameplay in the original Speed Highway where it is completely in 3D, the perspective, in Sonic Generations switches between 3D and 2D. This also applies to City Escape, Seaside Hill, and Crisis City (unless you do the glitch in these stages).
  • Both Sonics seem to go through Speed Highway at different times of the day. Classic Sonic seems to run through the highway just after dusk, while Modern Sonic runs through it during the last minutes of night to the beginning of dawn.
  • During said mission, the buildings and skyscrapers slightly resemble the same buildings and skyscrapers of Empire City in the daytime.
  • Vector the Crocodile makes at least two cameos in this level; first as a big, green neon sign reading "Club Vector", and second as a road sign showing the direction to "Vector Avenue".
  • Speed Highway was one of the last stages to be shown off before the game was released.
  • The music in act two changes when Sonic is running down the skyscraper, when he is on the ground again it changes back. This only happens when the default music is being played.


Name Artist(s) Length Music Track
"Speed Highway: Act 1 "Run Through the Speed Highway - Cash Cash RMX"" Cash Cash 2:20
"Speed Highway: Act 2 "Run Through the Speed Highway"" Jun Senoue 3:42
"Speed Highway: Act 2 - Skyscraper Downhill "Goin' Down?! - Cash Cash vs. Jun Senoue RMX"" Cash Cash 0:55
N/A (Hub world) Jun Senoue 2:27


See also

Main article | Script | Staff | Glitches | Beta elements | Gallery