Urban and Regional Planning: Principles and Land Classification

Planning Objectives

Urban and regional planning encompasses the political and technical procedures aimed at organizing urban development, correcting deficits, and managing long-term growth.

Urban Planning Fundamentals

In Spain, urban planning is a technical document that focuses on provisions and proposals regarding the growth and evolution of a city. Development plans establish the pattern and pace of expansion, serving as conditional, corrective, and regulatory prospective tools.

Urban planning is essential for:

• Public transport and road development
• Managing private traffic
• Provision of services and equipment
• Establishing verifiable regulations

An urban plan must be firm yet flexible, distinguishing between spatial plans and specific urban plans based on regional requirements.

Land Classification

Establishing the direction of city growth requires proper land qualification. Land is generally classified as follows:

• Urban Land: Developed soil with existing streets, water supplies, and infrastructure.
• Urbanizable Land: Land designated for future construction that will eventually form part of the urban area.
• Non-Urbanizable Land: Protected land that cannot be urbanized or built upon under any circumstances.

General Systems

These are lands intended for the general functioning and infrastructure of the municipality.

Types of Urban Plans

Urban practices evolve to meet the needs of the population, improving transportation and reflecting the characteristics of a particular era.

Irregular Plan

This layout corresponds to older cities, often of medieval or Roman origin. It is defined by ancient walls that forced the city to maximize interior space without formal planning or order, though fire and destruction have necessitated changes over time.

Radial Plan

The centrality of a building or monument conditions the city's form. Streets and avenues radiate from this central point, often perfected by the opening of concentric roads.

Orthogonal Plan

Also known as a reticular or grid plan, this model was highly successful in the 19th and 20th centuries. It organizes the city into square or rectangular blocks of houses.