Adata center designer requested the street behind the data center to be closed to through traffic. this is an example of:

Surveillance-specific design

Explanation:

Surveillance-specific design is usually employed in the design of streets leading to our houses and other spaces generally open to the public, to make those areas look like semipublic extension of the places people live. This design can be used to lighten-up the area as a way of enhancing visibility when the streets are closed through traffic, with the placement of benches and play grounds, all making the environment look semipublic as intended.