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AT Mile Markers<br />

The prioritized indicators—<strong>the</strong> AT Mile Markers—correspond<br />

with key sections in <strong>the</strong> report and are presented below.<br />

1. Demand <strong>for</strong> AT at <strong>the</strong> Population Level:<br />

• WT: Number of walk trips per capita<br />

• BT: Number of bicycle trips per capita<br />

2. Demand <strong>for</strong> AT at <strong>the</strong> Facility Level:<br />

• AT-W: Average traffic-walking<br />

• AT-B: Average traffic-bicycling<br />

3. Facility Supply <strong>for</strong> AT:<br />

• fm-W: Facility <strong>mile</strong>s <strong>for</strong> walking by class of facility<br />

• fm-B: Facility <strong>mile</strong>s <strong>for</strong> bicycling by class of facility<br />

4. Community Environment Supports <strong>for</strong> AT (including<br />

a safety component):<br />

• Colorado Ped Score<br />

• Colorado Bike Score<br />

Monitoring <strong>the</strong> AT Mile Markers<br />

There are a variety of potential data sources to consider when<br />

implementing <strong>the</strong> AT Mile Markers.<br />

1. State-level population: For ongoing monitoring, add<br />

questions to an existing national population-based<br />

survey such as <strong>the</strong> Behavioral Risk Factor Surveillance<br />

System coordinated by <strong>the</strong> CDC. This would use what<br />

are considered to be “best practice,” “reliable,” and easily<br />

comparable questions akin to those in <strong>the</strong> survey <strong>for</strong><br />

<strong>the</strong> Front Range Travel Counts or National Household<br />

Travel Survey.<br />

2. Local-level population: To obtain better data about<br />

local changes conduct a rolling and/or competitively<br />

awarded set of local-level randomly sampled surveys<br />

(likely using mail-out/mail-back and internet options).<br />

This is inexpensive, can reach a wide population, and<br />

can be conducted as a one-off or as ongoing surveillance.<br />

3. Local-level population: Leverage new technologies<br />

(such as applications and GPS on smart phones or bikes)<br />

by developing an experimental program. This could<br />

also involve GPS-assisted travel surveys.<br />

4. Facility use: Enhance and standardize automated<br />

monitoring of facilities such as paths and sidewalks.<br />

Examples include in-ground and infrared sensors, and<br />

traffic cameras.<br />

5. Facility provision: Create and update a state-level<br />

database of off-road facilities <strong>for</strong> walking and cycling<br />

and facilities on principal roadways. A consistent, statewide<br />

classification of such facilities will aid in this activity.<br />

6. Safety: Centralize collection of data on bicycle and<br />

pedestrian accidents and injuries.<br />

7. Supports: An experimental program of rating <strong>for</strong><br />

pedestrian and cycling friendliness using widely available<br />

data (census, roads, facilities) akin to Walkscore.<br />

com. These indicators, <strong>the</strong> Colorado Walk Score and <strong>the</strong><br />

Colorado Bike Score, would help communities understand<br />

<strong>the</strong> degree to which AT is supported.<br />

The full report details <strong>the</strong> measurement approaches and instruments,<br />

and <strong>the</strong>ir alternatives. It also outlines specific indicators<br />

that can be derived from <strong>the</strong>se instruments.<br />

The Colorado Mile Markers • Recommendations <strong>for</strong> Measuring Active Transportation • May 2012 • Page 6

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