BLV meaning in General ?

A boulevard (French, originally meaning bastion, abbreviated as bd in Metropolitan French, boul in Canadian French, and Blvd in English) is a type of large road, circumnavigating the central city following the line of old or former city walls. This is where the etymological link with city fortifications originates from. In Paris and Moscow many new boulevards were driven through the city in mostly straight lines to make large troop movements easier.

In American usage, it often means a wide, multi-lane arterial thoroughfare, often divided with a central median, and perhaps with side-streets along each side designed as slow travel and parking lanes and for bicycle and pedestrian usage, often with an above-average quality of landscaping and scenery.