The maps give information about the changes that took place in Westerling over a period of 11 years, from 2000 to 2011. From the figures, it can be inferred that, there are several developments during the time. In addition, a number of buildings function have changed.
Looking at the details, in 2000, North Road had merely one main way in along north side. But, in 2011, the name converted to Motorway, which was fulfilled by double tracks. Then, open space building located in west part of Green Street was replaced with blocks of flats. In the beginning, some factories were stood in west part of shops, but in 11 years later, it transformed to multi-story car park.
Turning into east side of Green Street, both of period had an identical number of buildings and ran into transformation. For instance, Woodland had a wide area in 2000, while a half of Woodland section was built by a golf club. Furthermore, detached houses and bus station were grown by a hotel. The street market was located in south of bus station at first, but it became to bus and railway station later. Additionally, techno park was set up in 2011 to substitute car park zone before.