21.   More and more rural areas are being buried under concrete in a vain attempt to tackle congestion on highways and other major routes.

22.   No-frills airlines are expanding at a furious pace and have captured fans among business and leisure travelers on major routes within Europe.

23.   Other blockades were set up at two main highways into Portugal and at major routes into Valencia, Salamanca and other cities.

24.   Provisions under consideration for the new sanctions package are a virtual blockade on traffic headed to Serbia on the Danube River, a major route for oil imports.

25.   Rail service through the crash site, a major route of commuters to Manhattan from Bergen County and northern New Jersey, was disrupted through the day.

26.   The heroin leaves Russia through a handful of major routes, ending up all over Europe.

27.   The move toward larger vessels for its major transpacific routes will offer cost savings through economies of scale.

28.   The other major route to obtain technology or patents is through alliances in the exploding biotechnology industry.

29.   The new generation of low-cost carriers has emerged in the wake of deregulation to challenge the hegemony of national carriers on major routes.

30.   Tigert, looking over a map of the area, pointed out major smuggling routes.