FYI, lane splitting coventionally refers to driving a small vehicle between lanes of stopped or slow cars, rather than multiple small vehicles riding side by si

FYI, lane splitting coventionally refers to driving a small vehicle between lanes of stopped or slow cars, rather than multiple small vehicles riding side by side within one lane [1]. The first is unconditionally illegal in Massachusetts, while the second is conditionally legal like you say. [1]: https://en.wikipedia.org/wiki/Lane_splitting https://en.wikipedia.org/wiki/Lane_splitting