A new bridge which was opened on 14 April 1969, was needed to meet growing traffic demands.

The policy calls for dropping and raising tolls based on traffic demand.

If there is an economic recovery, we'll get a return to a more normal traffic demand.

Together they will form a second loop around Beijing and relive traffic demand on line 2.

All six lanes opened in 1987 after traffic demand justified the need.

Once completed, the line was soon doubled to cope with increasing traffic demands.

The station has a 24 lever signal box, which was opened in 1891 to meet the heavy traffic demands of that time.

After this move, business began rapidly expanding and an addition was added to the station to meet the increased traffic demands.

From 1908, planning began on expansion of the station, which was no longer big enough for to handle traffic demands.

At the same time, this should also give rise to an instrument to better manage traffic demand.