31.   In addition, the Southern Pacific routes in Southern California would help Union Pacific relieve congestion on its freight lines.

32.   Instead, the mayor has focused on gate and terminal additions to relieve congestion in the short term.

33.   Officials are considering opening nearby Torrejon air base to civilian flights to help relieve congestion at Barajas.

34.   Over the past five years, British Airways has doubled the number of flights out of Gatwick in an effort to relieve increasing congestion at Heathrow.

35.   The corporation had to relieve congestion on that before turning to Western.

36.   Swiss authorities have been trying to relieve congestion along the main north-south motorway through the St. Gotthard in recent weeks.