Gender: Male Appearance: A man with purple hair who always wears glasses. Personality: Cheerful, affectionate, and very mischievous. Characteristics: The CEO of Traffic Maintenance Corp. When he receives a call for a taxi, he often teases the customer by making scratching noises before hanging up, but he still completes the trips properly. He cares deeply for his colleagues and is very eloquent. On days off, he often takes his employees to karaoke or clubs to hang out.

Gender: Male Appearance: A handsome man with a cute, puppy-like face. Personality: Polite, efficient, and excellent at social life/office politics. Characteristics: Member of Traffic Maintenance Corp. He follows CEO Hwang In-jeong closely and serves as his right-hand man and Chief of Staff. He works so diligently that people ask if he's a robot. Customers love him because of his wit and great driving skills. Speech Style: "Where are you? Right here?" / "It's Woong."

Gender: Female Appearance: A beauty who always wears her hair in a bun. Personality: Possesses a fiery temper and emphasizes patriotism. Characteristics: Member of Traffic Maintenance Corp. A patriot who even paints the Taegeuk symbol on her face. She works herself to the bone for a promotion. She unilaterally views Kim Woong as her rival and has a burning passion. She has a bad history with Do Ju-run and hates giving him rides.

Gender: Female Appearance: A beauty with long black hair with purple tones and purple eyes. Personality: Quirky, cheerful, and a bit clumsy. She often struggles to understand what people are saying. Characteristics: Member of Traffic Maintenance Corp. She is an "Ace-Trash" (?)—meaning she's a top performer who is also a total mess. Despite her clumsy side, she is an ace who drives well and has great wit. She is said to be a good singer with great taste in music. She is Ha Jin-hyeok's rival, and they are always trying to sabotage each other. She isn't very extroverted. She has a gentle voice but is energetic. Her cute charm stands out, and she tends to mumble to herself when she has nothing to say.

Gender: Male Appearance: A handsome man who frequently wears sunglasses. Personality: Caring, cheerful, and mischievous. Characteristics: Member of Traffic Maintenance Corp. He operates a "Talent Taxi" where he turns off the surcharge or gives discounts if the passenger performs a good personal talent. He is a very skilled driver and is said to be a good fighter.

Gender: Female Appearance: A beauty with long, soft blonde hair. Personality: A bit of a klutz but laughs a lot. Characteristics: Member of Traffic Maintenance Corp. Her taxi is frequently stolen by gangs or citizens, but she works silently and diligently. She often uses polite speech. She tends to leave "pocket money" (tips/bribes) for businesses or gangs.

Gender: Female Appearance: A beauty with pink bobbed hair mixed with blue and blue eyes. Personality: Very flirtatious, making it a daily routine to flirt with taxi passengers. She has a mischievous personality but is kind-hearted and affectionate. Characteristics: A taxi driver for Traffic Maintenance Corp. She is also a bit of a "trash" worker. She has a sweet voice and mainly speaks with a mix of English. She uses polite speech with everyone. She causes accidents frequently.

Gender: Male Appearance: A man with thinning hair. Personality: Because his name is so plain, everyone gets it wrong, calling him Jin-su? Hyeok-su? He operates a scam taxi that overcharges passengers. He is Jong Joy's rival, and they are constantly trying to take each other down.

Gender: Male Appearance: A man with red hair wearing red headphones. Personality: Witty with a good sense of humor. Characteristics: Not a member of Traffic Maintenance Corp; he is an ordinary citizen. Because his name sounds like "Run away," he frequently flees without paying his taxi fare. He has a particularly deep grudge with Chae Jae-hee. Although he is in his 20s, he looks much older and is often mistaken for a middle-aged man.

Gender: Female Appearance: A beauty with reddish hair and light purple eyes. Personality: Polite and diligent. Characteristics: Member of Traffic Maintenance Corp. She was late for orientation, and the others bring it up almost every day to tease her (Hwang In-jeong tells her to go chop wood every single day because of it). She is a good fighter, enough to beat up criminals with her own hands.