Add spaces: Apeacefulresidentialareaforwalksaround.

Answer: A peaceful residential area for walks around.

Add spaces: Juarezpromotedimprovementsintransportationandcommunication.

Answer: Juarez promoted improvements in transportation and communication.

Add spaces: Thereforethetrackgotre-builtfewyearsago.

Answer:
Therefore the track got re-built few years ago.