- There is expected to be an improvement in the transportation system in that town.
As usual, this sentence has been done many things to.
Unpeeling them one by one, this sentence is the result of A-Raising on
- For there to be an improvement in the transportation system in that town is expected.
which is the result of Passive on
- *[Someone] expects [for] there to be an improvement in the transportation system in that town.
which is the result of There-Insertion on
- [Someone] expects [for] an improvement in the transportation system in that town to be.
which is the result of not dropping the final, unnecessary, and irrelevant infinitive with complementizer to be, like the initial, unnecessary, and irrelevant complementizer
for was deleted, as in
- [Someone] expects an improvement in the transportation system in that town.