Making Kathmandu Walk Again : Planning and Designing for ... · Conclusion •Kathmandu is a very...
Transcript of Making Kathmandu Walk Again : Planning and Designing for ... · Conclusion •Kathmandu is a very...
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Making Kathmandu Walk Again
: Planning and Designing for People Friendly Kathmandu
Sagar Onta, PE, PTOEDenver Engineering DirectorToole Design Group
NEA Talk ProgramKathmandu, NepalAugust 2018
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Work Experience Across North America
Toole Design Group is the nation’s leading planning, engineering, and landscape architecture firm specializing in multimodal transportation.
Toole Design Group
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Toole Design Group
• WTS Colorado – 2017 Employer of the Year
• Women-owned
• Of the 10 primary offices, half are led by women
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Our guidance work
AASHTO Guide for the
Development of Bicycle
Facilities
NCHRP 803 Pedestrian
and Bicycle
Transportation Along
Existing Roads
Massachusetts DOT Separated Bike Lane Planning & Design Guide
FHWA Achieving
Multimodal Networks:
Applying Design
Flexibility & Reducing
Conflicts
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Transportation Planning Challenges
• Expensive to model travel demand for many cities
• TAZ do not match City’s preferred zones
• Available model outputs may not include City’s priority projects
• Emerging technologies are likely to dramatically transform travel behavior in the next 20-30 years – Difficult (if not impossible) to predict behavior
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Changing the ParadigmOld Method
Survey Behavior
Travel Demand Model
Forecast Growth
Identify Projects /
Policy / Programs
WHERE IS THE COMMUNITY
VISION ?
New Method
Community Vision
Identify Projects / Policies / Programs
Check viability
Conduct detailed analysis
Seek Funding
P l a n n i n g I m p l e m e n t a t i o n
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Back to the Basics• Rely on core principles on how transportation
can make communities • Economically vibrant
• Entrepreneurial and innovative
• Socially harmonious and safe
Equitable Safe
R e s i l i e n t
Transportation that is:
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Highway vs Urban Street
• Basic engineering education and practice focuses on high-speed highways connecting cities for:
• Support economic development
• Reducing time/cost of transportation
• Same philosophy is used for Urban Streets inside cities which is WRONG
• Transportation within cities :• Is not a means to an end
• Is big part of living in cities – livability
• Should be stress-free and enjoyable
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Paradigm Shift• Do not build roads to meet future demand
• Plan and build cities/roads to reduce travel demand and change behavior
• Do not expand area of cities i.e. no outer ringroad
• Provide safe bicycle and pedestrian infrastructures
• Go high, not wide
• Do not widen existing streets for vehicular capacity, instead build new street connections to distribute traffic
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Connected Street Networks
Streets are backbone of a City
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What is a City?
• Land/River – make the best use
• People – make them safe
• Economy – make it vibrant
• Heritage – preserve it
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Best use of our very expensive
Land
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Make people safe
55 km/h 50 km/h
40 km/h 30 km/h
Cone of Vision at different speed
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Economy that is vibrant
• Less government red-tape
• More people walking = high no of interactions = share ideas = innovation and entrepreneurial
• We are social animals
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Preserve heritageWalking is our heritage !!
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Travel Preference in KTM
• Walking is still the king
• Walking should be promoted :• For health
• For social harmony
• For innovative interactions
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How to Make KTM Walk Again
• Design streets that are safe and inviting
• City defines project
• Donor/city selects consultant/facilitator based on experience working with community, not how many big projects they have completed
• Urban Designer to lead projects, supported by engineers
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Community Led Infrastructure Development
• Day 1: Site visit, public meeting to hear from community what they like, dislike and core values
• Day 2-3: Work from city offices, open to public, meeting with stakeholders, mayors, department heads
• Day 4: Draw conceptual designs based on public input, public meeting to present to all
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Example: CLID
The Problem
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The Process
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The Product
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Community Guided Infrastructure Development
• All projects must be guided by the community
• Design may be conducted in consultant offices but it must very guided / checked / verified by the community
• Need the process to be transparent• Public meetings on government plans• Public meetings to review design
concepts• Public accountability/inspection
during construction
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Pedestrianize core cities
• Work with businesses and residents
• Thamel to Basantapur• May be provide electric scooters
for mobility• Assign shop in each block to
manage scooter
• All historic areas of Patan, Bhaktapur, Thimi, Kritipur
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Engineers – be accountable
• Implement adopted policy and standards
• Use sound engineering judgement• KTM roads are NOT engineered
• Roadway alignment are not made for safe travel• Don’t use current alignment to widen roads
• Change alignment to make it safe• Able to see around corners (intersection sight distance)
• Will require additional property takes• Include in cost of project
• Don’t allow vehicles in construction zones !!
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People friendly streets
URBAN STREET14.2 m ROW minimum
• Adopt and follow Global Street Design Guide
• Published by NACTO, National Association of City Transportation Officials
https://nacto.org/global-street-design-guide-gsdg/
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Tactical Urbanism
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Curb Extensions
Arniko Highway intersections
Durbar Marg
Must address DRAINAGE
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Median Refuge
Arniko Highway Intersections
Durbar Marg !!!???
Must provide adequate space for people to stand, esp. those with disability
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Example: Shankhadhar Chowk, Thimi
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Road Diets
• Improve safety
• 2-lane + 1 center-turn lane capacity is 20,000 ADT
• 4-lane + 1 center-turn lane capacity is 52,000 ADT
• Ringroad 2012 ADT ranges from 18,000 – 50,000 ADT
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Conclusion
• Kathmandu is a very walkable and bikeable metro
• Stop widening roads to accommodate more cars – induced traffic
• Distribute vehicular traffic by opening critical road connections
• Modify alignments to improve safety
• Invest big in transit and BRT for mass transportation
• Re-design streets (long-term) to made it safe for pedestrians
• Use tactical urbanism (short-term) to make streets safe
• Implement Community Led Infrastructure Development