Transportation Infrastructure Capacity Guidelines: Metrics For Designing Infrastructure

Screen Shot 2015-10-13 at 8.36.46 PMStreets are the backbones of our city. They are integral to the flow of goods and services and their proper functioning can be the difference between diminishing or increasing economic success. Far from simply utilitarian uses, they form the basic foundation of our cities and are a critical portion of public space. Given that urban space is becoming an increasingly precious commodity, how do cities balance these seemingly competing interests? Transportation Infrastructure Capacity Guidelines: Metrics For Designing Infrastructure is meant to serve as a quick reference book for decision makers, so that they can quickly determine the minimum, mode specific transportation volumes for infrastructure. This guide cites metrics from diverse references, striving to be inclusive of all modes, going beyond moving just automobiles. The goal is to support Slow Streets philosophy that streets are precious assets in our cities that must be inclusive of all people’s needs and our overall societal goals. The full report can be downloaded below.

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The Slow Streets Resource list is an ongoing project that will be updated frequently:

Slow Streets Resources

Slow Streets Mode and Activity Observation Worksheet

Slow Streets Pedestrian Observation Work Sheet

Slow Streets Activity Observation Worksheet

Additional Resources

Abu Dhabi Urban Design Manual
The urban street design manual is primarily based on certain key design principles which includes safety for all street users and the acknowledgement that all great street designs beginning with pedestrians ensure universal access.

Abu Dhabi Public Realm Design Manual
A feature of the Manual is the “people-first” approach that is fundamental to the establishment of a world-class public realm.

The Better Block Project
How to build a better block focused on people.

City of Copenhagen Bike Lane Cost Report
A report on the cost of bike lanes.

Copenhagen Car Free Streets
A look at the car-free streets of Copenhagen. Produced by the advocacy blog network Street Films.

Counterpoint App
Counterpoint is a smartphone app that allows users to conduct street activity observations. A seamless interface makes counting traffic simple.

Narrow Residential Streets: Do They Really Slow Down Speeds?
Study produced by the National Association of City Transportation Officials: Do narrow streets slow down traffic?

New York City Department of Transportation Street Design Manual
The Street Design Manual is New York City’s comprehensive resource for street design standards, guidelines, and policies. It draws from a wide range of resources and experience to present a coherent set of choices for street design.

Modacity is a multi-service consultancy, focused on inspiring healthier, happier, simpler forms of urban mobility through words, photography and film

Rethinking Streets: An Evidence-Based Guide to 25 Complete Street Transformations
uses evidence from completed street projects from around the United States in order to help communities imagine alternative futures for their streets

Street Films
Streetfilms produces short films showing how smart transportation design and policy can result in better places to live, work and play.

Street Mix
A tool to create your own streetscape.

Strong Towns
A not-for-profit that advocates for  new model of development for America’s cities.

The Economic and Societal Impact of Motor Vehicle Crashes, 2010
The U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) t study that underscores the high economic toll and societal impact of motor vehicle crashes in the United States. The price tag for crashes comes at a heavy burden for Americans at $871 billion in economic loss and societal harm. This includes $277 billion in economic costs – nearly $900 for each person living in the United States based on calendar year 2010 data — and $594 billion in harm from the loss of life and the pain and decreased quality of life due to injuries.

Transit Mix
A tool to create and price your own transit routes.

Translink Managing the Transit Network
Key Elements of a transit network.

Translink Service Guidelines
Key metrics for providing effective and useful transit services.

Transport For London and Measuring Pedestrian Activity
How to measure pedestrian activity.

Transport For London and Measuring Pedestrian Comfort
How to measure pedestrian comfort.

Victoria Transport Policy Institute
An independent research organization dedicated to developing innovative and practical solutions to transportation.

VTPI Transportation Demand Management Encyclopedia
A comprehensive source of proven Transportation Demand Management strategies. Produced by the Victoria Transport Policy Institute.

VTPI Streetscape Improvements – Enhancing Urban Roadway Design
discusses various ways to improve urban streetscapes to support more multi-modal transportation and create more attractive and accessible communities.

U.S. Department of Transportation Road Diet Case Studies
24 case studies highlighting Road Diet implementations throughout the United States. The aim of this document is to provide State and local agencies and Tribal governments with examples and advice that can assist them in planning and implementing Road Diets in their own jurisdictions.

Walkitere City Council Slow Streets Council
Walkitere City Council created a guideline to what a slow street is and the advantages. This can be used in the city in order for residential streets to apply anti-speed measures.

Washington’s Complete Streets and Main Street Highways
A Complete Streets case study resource by the Washington State Department of Transportation.

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