i-drive has four lanes, two in each direction, from its north end at oak ridge road to pointe plaza dr. (former universal blvd. south end; see below), and again between the northern and southern intersections with westwood blvd. it has six lanes, three in each direction, from pointe plaza dr. to the beachline expressway (the eastbound ramps to the beachline tie into the northern intersection with westwood blvd.), and again from the southern intersection with westwood blvd. to its end at sr 536. the entirety of international drive south, from sr 535 to us 192, is entirely six lanes. the section of i-drive from universal blvd. to sand lake road has no median or center turn lane, and frequently has heavy traffic and gridlock in the evenings in the tourism corridor, affecting carrier dr. and sand lake road.