Department of Transportation; rest areas and welcome centers; adult changing stations. Requires the Department of Transportation to provide at least one adult changing station at all rest areas on interstate highways and welcome centers operated by the Virginia Tourism Authority in the Commonwealth, with such changing station being either (i) in a single-stall family restroom or (ii) one adult changing station in both the men's and women's restrooms, and provides that such requirement may be satisfied by retrofitting or renovating existing restroom facilities or family restrooms. The bill provides that the Department of Transportation is not required to complete the installation, retrofitting, or provision of such an adult changing station at existing rest areas and welcome centers prior to such a time at which other renovations to such a rest area or welcome center are conducted.