Istanbul to Sliven bus with City Lines

\City Lines\" can refer to several different bus companies. One prominent example is Citylines, a leading Bulgarian bus company headquartered in Sofia. It operates an extensive network of 44 routes, connecting 22 cities across Bulgaria and serving 9 European nations with an average of 19 trips daily. Citylines coaches offer amenities such as air conditioning, onboard restrooms, and Wi-Fi connectivity. Another is Rochester City Lines, a family-owned and operated charter bus company in Minnesota, United States, providing services for college, corporate, event, religious, school, and workforce transportation. They offer a fleet including motorcoaches, minibuses, and executive vans. Historically, National City Lines, Inc. (NCL) was a significant public transportation holding company in the United States, founded in 1920. NCL acquired numerous local transit systems, often converting streetcar lines to bus operations, a practice sometimes referred to as \"bustitution.\" Additionally, \"City Line\" is also the name of a bus rapid transit (BRT) line in Spokane, Washington, operated by the Spokane Transit Authority. This 6-mile route, which opened in 2023, utilizes modern, zero-emission battery-electric buses and connects key areas including downtown Spokane and the University District."