1. A lateral transfer retroreflector assembly, comprising: a mirror panel housing having a first mirror panel mounted thereto, said mirror panel housing located at a first end of said lateral transfer retroreflector assembly; a roof mirror assembly housing having a roof mirror assembly mounted thereto, said roof mirror assembly housing located at an opposite, second end of said lateral transfer retroreflector assembly; and a connecting member, mounted to and between both said mirror panel housing and said roof mirror assembly housing.