Done in a number of places, since bikes are unwelcome, even for BRT. The Green Line in Minneapolis is a good example of a LRT ROW, single lane of road and no bike lanes, especially in the University area.
I stand to be corrected, but none of the 15 cities I visited for the first time in the US this year had bike lanes and the other 8 I have been to before also have no bike lanes. 7 of those cities had streetcars/LRT lines.
LRT/streetcar/Tram lines are all the same, other than what people and politicians want to call them as well the type of equipment. How do you class a 66' streetcar found in places like Dallas, Tucson, Detroit, Cincinnati, Milwaukee that is 70% low floor to A PCC or CLRV to a Flexity or anyone type of a car 100-155' long running as a single, a pair or 3 car long on the street??
Do you call an 5-8 car EMU a streetcar that runs on the streets of Michigan City and pickup riders at stops??