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Raji Arasu

EVP, Platform Services and Emerging Technologies, and Chief Technology Officer at Autodesk

The way we work, commute and live our day-to-day lives has made a dramatic shift in the last century. Small, tight-knit communities are falling out of style, and sprawling suburbs have become the norm.

While spaces outside large cities provide much-needed space to attract new residents, the desire for connection, sustainability and ease of access—to friends and family, offices, retail centers and so on—has already changed this relatively new suburban landscape.

Station Hill, Reading, England, United Kingdom

Station Hill, Reading, England, United Kingdom

By its very definition, a transit-oriented community (TOC) is a city planning strategy centered around a transit connection that condenses the spaces where people live, work and play. A successful TOC requires input from all design sectors, including computational design, transit planning/architecture and placemaking.

This integrated approach allows cities around the world to reduce their carbon footprint while providing a livable, desirable and connected destination.

Not all communities are the same, however, and we cannot take a one-size-fits-all approach toward development. Intersectional, crosscollaborative design must be applied from the very beginning to customize our approach toward creating the communities of the future.

Computational Design: Transit-Oriented Design as a Catalyst

Computational design is the foundation upon which we build successful TOCs. Arcadis’ Computational Design Team excels at bringing together many perspectives simultaneously to input and make sense of complex, multi-scaled data that we use as design drivers. Leveraging their customizable, algorithmic process allows us to identify opportunity areas where TOCs can revitalize underdeveloped or historically under resourced areas.

The Arcadis Computational Design Team employs a tailored, equity-adjusted algorithm to ensure that even in areas lacking essential amenities, we can realize significant transformations, particularly through the integration of transit systems. To encourage this development, we incorporate an equity framework into planning discussions and decision-making, which highlights areas along transit lines that might otherwise be overlooked due to socioeconomic barriers.

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    These areas have the potential to drive economic growth when aligned with broader urban development goals, such as improving access to affordable housing, jobs and healthcare. In turn, TOC investments directly benefit these communities by addressing critical challenges, like income disparity and limited access to employment, while ensuring equitable outcomes.


    This process transforms neglected areas into dynamic, transit-supported hubs that contribute to sustainable, equitable urban growth. To identify the most impactful areas for Transit- Oriented Communities, the Computational Design Team examines data through multiple lenses, ensuring a holistic view. This approach allows us to uncover areas with conditions that could be remedied and revitalized through the introduction of transit infrastructure.


    Vermont Transit Corridor Rail Conversion Feasibility Study,  Los Angeles, California, USA
    Vermont Transit Corridor Rail Conversion Feasibility Study,
    Los Angeles, California, USA

DESIGN STRATEGY


DESIGN STRATEGY

We applied this algorithmic process to an analysis of Vermont Avenue in Los Angeles, which passes through distinct areas of the city with varying levels of socioeconomic circumstances, safety, green space access and overall infrastructure. The purpose of the study was to evaluate two bus rapid transit (BRT) concepts to ensure their implementation did not preclude a potential conversion to rail in the future and to address configuration and operability issues.

We also identified and assessed the feasibility of six potential rail concepts and identified ridership thresholds that inform the conversion of BRT to rail. Overall, our team utilized computational design to simplify and speed up the process of evaluation, quickly identifying opportunities to facilitate and promote favorable transit outcomes for the urban corridor.

Transit Architecture: Planning for a More Sustainable Future

Mississauga Transitway, Mississauga, Ontario, Canada
Mississauga Transitway, Mississauga, Ontario, Canada


As with any project, planning is key and must come before nearly any other aspect to ensure overall success. TOCs are no different, and our Transportation Planning team steps in early to determine where connected transit lines live, which areas of growth to target and how to scale up services in a realistic way.

From reducing congestion to improving the safety of road and transit networks, our engineers and planners have expertise with integrated transportation and land use planning, transportation master planning, policy development, environmental assessments, demand forecasting, cost estimates, engineering, geometric design, construction staging, multiuser facilities and ITS & revenue collection systems for all types of urban, inter-urban, regional, national and international systems for passenger and freight transportation.

Stakeholder engagement during the planning process ensures the successful integration of transit into a community. The values, culture and priorities of a community are paramount in understanding what will and won’t work for a specific area, and we curate our process to maximize benefits for all involved.

Eglinton Crosstown LRT, Toronto, Ontario, Canada

Eglinton Crosstown LRT, Toronto, Ontario, Canada

Crafting Urban Destinations around Transit Infrastructure

A red brick building stands beside a street with a parked bicycle in front.


Transit-oriented communities support the creation of vibrant, diverse and livable places all centered around one goal: enhancing the human experience.

As a method of curbing sprawl and reliance on automobile travel in our communities, we recognize the power of place creation alongside linear infrastructure such as rail, BRT and active transportation networks. While transit infrastructure allows for movement from place to place, place creation catalyzes engagement and retention

Station Hill, Reading, England, United Kingdom
Station Hill, Reading, England, United Kingdom

TOCs are a critical step toward a more sustainable future, and Arcadis Placemaking advances this goal with a holistic approach to urban planning, which prioritizes the integration of transportation systems with urban landscapes to create animated, inclusive communities.

We draw from local context, future opportunities, voices from the local community and global best practices to craft tailor-made, responsive solutions for tomorrow through a proven, proprietary T+O+C approach. We analyze, envision, strategize and implement complete communities that serve and are served by transit corridors. Our process is unique in that, by utilizing an intensive workshop methodology, we efficiently, effectively and meaningfully collaborate with cities, communities and authorities to gain local input and stakeholder buy-in for three key elements of the plan. By approaching the corridor as a place of transit (“T”), a public open space (“O”), and a community opportunity (“C”), we are able to consider complex and nuanced factors and strategic priorities in a methodical, logical and digestible manner that lends itself well to developing a complete community plan. The result is a TOC plan that is widely supported and future-oriented and incorporates mechanisms for long-term implementation and financial feasibility.

In essence, the synergy between computational design, transit planning and landscape architecture in transit-oriented communities underscores the importance of creating livable, resilient and sustainable urban areas.

Through thoughtful consideration of design elements, land use allocation and environmental impact, these disciplines work together to shape transit-oriented developments that prioritize the well-being of residents, promote environmental stewardship and enhance the overall urban experience.

AUTHOR

Raji Arasu

Raji Arasu

EVP, Platform Services and Emerging Technologies, and Chief Technology Officer at Autodesk

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