Anything that makes it attractive for motorists not to drive into the central business district.
More information on driver safety for older motorists: seniordrivers.org and aarp.org/55alive.
The district raised the toll for most motorists to $5 from $3, the first increase in 11 years.
The same is true for motorists heading in the other direction.
"That made it more difficult for motorists to make appointments."
But critics say it sets up a class system for motorists.
This is a way for motorists to do their bit.
But for motorists, the real question is whether Koreans will be able to drive faster than they can walk.
For motorists on the M4 today fines are a serious concern.
The first three sections were for motorists, disabled people and parents.