The phrase "areas are designed to" is correct and usable in written English.
You can use it when discussing the purpose or function of specific areas in a design context, such as architecture, urban planning, or product design.
Example: "The recreational areas are designed to promote community engagement and provide a space for outdoor activities."
Alternatives: "spaces are intended to" or "zones are created to".
(The Main Street areas are designed to reflect Walt Disney's idyllic childhood in a Missouri town at the turn of the 20th century).
Marine protected areas are designed to protect natural resources within their limits.
Protected areas are designed to conserve ecosystems and their services, but the restrictions they impose create the potential for unintended consequences.
In the study area, path/furrow networks, comprising 8 24% of field surface areas, are designed to provide walking access within fields and channel excess surface flow from the fields.
Multiple-use zones around protected areas are designed to balance human resource needs with wildlife conservation, but conflicts between wildlife and people in these areas of co-occurrence (CA) can seriously undermine their conservation potential.
Such areas are designed to reduce human impacts on the ecosystem, but the overall benefits of this approach might be compromised if 'leakage' takes place — that is, if impacts that would take place inside the restricted area are displaced to a nearby, unrestricted area.
Original moldings and other details were restored where possible, she said, and other areas were designed to match them.
Therefore, an electrolytic cell arranged concentrically with extended cathode surface areas was designed to improve the rate of mass transfer.
The bio-secured seal rehabilitation facility is allotted 200 gpm (760 lpm), has five internal seal quarantine areas, is designed to support 1200 lb (545 kg) of seal biomass and comprises 4950 square ft2 (460 m2) within the biosecurity area.
Based on minimum dose path-searching method, walking path-planning method for multiple radiation areas was designed to solve minimum dose path problem in single area and find minimum dose path in the whole space in this paper.
The levels were made much larger than those in Spyro 2, so that more areas for minigames could be added; to prevent player confusion on where to go next, these areas were designed to load separately from the main hubs.
