That could be one explanation for the popularity of the I-95 Express Lanes, called Lexus Lanes by opponents because of the toll paid by solo drivers. While the toll has increased, so has their popularity with drivers, even with the maximum $7 toll.
Jan 2, 2014 WLRN
Forty years ago, Dade County officials sketched a vision for a paradigm shift away from highways and towards a multi-modal transportation system for the area. Four decades onward, highway expansion is alive and well in Miami-Dade. What happened?
May 20, 2013 TransitMiami