total rides. Two years later on September 11th, 2021, Bluebikes hit its highest single day record with over 18,000 rides. In 2020, Bluebikes expanded to Newton, Revere, Chelsea, Arlington, and Watertown adding over 30 new stations to the system. The following year in June, Bluebikes was launched in Salem with seven stations, bringing the system's span to 10 municipalities. Bluebikes continued to expand in 2021, with projects pursued in Dorchester, Mattapan, and Hyde Park. More expansions are planned for 2022, with three initial stations opening in Medford and three in Malden. Equipment The system uses bicycles designed and manufactured by Montreal-based PBSC. The majority of docking stations are also supplied by PBSC while the newest docking stations are designed and manufactured by 8D Technologies. The platform behind the bike share system is created by 8D Technologies, who also supply the server technology for BIXI Montréal, Citi Bike in New York City, Santander Cycles in London, Capital Bikeshare in Washington DC, and others. Each Bluebike comes with a basket, adjustable seat, and kickstand. For safety during night-time riding, they have self-powered lights at the front and back of the bike. On the left handlebar, Bluebikes are equipped with a bell, and the right handlebar has a continuous gear shifter. Bluebikes renters may download the app on their Android or iOS device. The app was developed in 2017 and is free to download. The app provides information on the status (e.g., current trip length) of the rental, but it is not required in order to rent a Bluebike. The app allows up to four bikes to be rented out simultaneously on one account. On the app's map, docks appear as green when there are a sufficient number of bikes at the station. Conversely, they appear as red when there are little to none available. Rental service To unlock the bike(s), a person must first purchase a pass using a credit or debit card at the solar-powered station kiosk or on the Bluebikes app. A five digit numeric code will be given. For users with monthly or yearly plans, a physical bike key can be requested. When a Bluebikes user inserts their key or enters the code into a keypad next to the bike, the bike detaches itself from the dock. As a renter finishes their trip, they push the bike into the dock and hold it until the light next to the