Authors & Contributions
Andrew Carpenter

Andrew Carpenter

Andrew is Mobility Lab's tech reporter, and is interested in using technology and transportation to build communities and bring them together.

Vision Zero video tool analyzes intersections for dangerous traffic conflicts

Volunteers will “teach” the program to better identify people walking and biking Despite signing onto Vision Zero, a campaign that aims to eliminate traffic-related deaths and serious injuries, Washington, D.C. and other large cities have struggled to make progress in reducing deaths on their streets. While traffic deaths in D.C. have held steady in the high 20s… Read more »

WMATA Metrobus data projects explore effects of fare payments, disruptions

Other presenters at Transportation Techies’ Bus Hack Night shared projects to help riders better understand their local bus routes Though the D.C. region has one of the busiest bus systems in the country, with more than 120 million trips in 2016, it’s still part of the nationwide movement to stem recent bus ridership declines. As such, WMATA is… Read more »

TransitScreen real-estate partnership looks to spread availability of transit information

Deal with property manager JLL will make the screens a common feature of lobbies Changing habits is a tough business, especially when it comes to commuting. Cities are attempting to nudge commuters away from driving alone, but they must overcome the complexities of neurology to effect notable change. Where non-driving options exist, they need to… Read more »

Bikeshare operators addressing rebalancing and other fixes to maximize reliability

Other programmers at CaBi Hack Night sought to better understand riding connections between stations and data accessibility issues Bike rebalancing is one of the most costly and inefficient issues that bikeshare systems face. The constant need for rebalancing manifests most frustratingly in “dockblocking,” those times when riders reach a station to find all of its docks filled… Read more »

How often is that bike lane blocked? A crowdsourced tool takes a look.

It’s a common conversation topic among bike commuters: drivers block bike lanes all too often, and cities rarely seem responsive about it. This has been anecdotal for some time, but advocates in the Washington, D.C., region have been collecting some useful data and in order to develop a stronger case for better enforcement and safer… Read more »

University of Maryland project looks to crowdsource an accessibility map of DC’s sidewalks

Other programmers at the recent Walk Hack Night presented data visualizations that explore walkability and walking connections in the Washington, D.C., region. Across the United States, 30.6 million Americans older than 15 live with mobility impairments, a significant portion of whom require an assistive aid like a walker or wheelchair. Despite progress since the Americans… Read more »

Building a transit army: How MARTA Army is working to improve Atlanta’s bus stops

Transit advocacy doesn’t have to move slowly through layers of bureaucracy: in Atlanta, advocates have been mobilizing to improve bus stops in their own neighborhoods. At TransportationCamp DC last month, representatives from the grassroots advocacy group MARTA Army shared their organizing model, which has been successful in creating tangible improvements for riders in the Atlanta… Read more »

Overcoming obstacles in on-demand public-private agreements

The recent rise of “mobility on demand” services like Uber and Zipcar has shifted society’s understanding of transportation systems and how they operate. “Mobility has evolved in the past 10 to 15 years from a binary choice,” Justin Holmes of Zipcar explained at this month’s TransportationCamp DC. “An accordion of choice has opened for consumers.”… Read more »

A closer look at Arlington’s bike counters show how riders are using the trails and bike lanes

Other developers at Bike Hack Night VII presented sensor and mapping projects to understand the experience of urban biking Arlington County, over the past several years, has strategically placed 30 permanent EcoCounters, bike- and pedestrian-counting sensors, to determine how many people are riding bicycles and walking on major trails and routes. Permanent counters at these… Read more »

TransportationCamp DC 2017 shares perspectives on today’s (and tomorrow’s) mobility challenges

With the transportation landscape evolving quickly in recent years – new mobility options and growing support for transit and bicycling – decision-makers face greater opportunity and unpredictability in how they can utilize and react to such options. What should the role of private enterprise be in providing transportation services? How transit-oriented development should evolve with… Read more »