sentences:  The route's full expansion to motorway standards – including six lanes and grade separation of all its interchanges – is scheduled by 2015, when a second tube for the Učka Tunnel and a new route connecting the tunnel to the A7 motorway are planned.Construction slowed in the 1990s due to a lack of funding; therefore, a build-operate-transfer concession for the Istrian Y was granted to the BINA Istra corporation for a period of 32 years.All intersections found along the route are grade separated, except for a single at-grade intersection currently regulated by traffic lights; a new route is planned to bypass this intersection.