Local Access Scores Tim Reardon Director of Data Services Metropolitan Area Planning Council A New Measure of Network Utility for Complete Streets Planning and Implementation Transportation Research Board 2017 Session 616 Use of Statewide Systems and Data for Project Planning, Selection, and Prioritization January 10, 2017
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Local Access Scores
Tim Reardon
Director of Data Services
Metropolitan Area Planning Council
A New Measure of Network Utility
for Complete Streets Planning and Implementation
Transportation Research Board 2017Session 616
Use of Statewide Systems and Data for
Project Planning, Selection, and Prioritization
January 10, 2017
Massachusetts Complete
Streets Funding Program
How can we prioritize efforts?
How can we measure success?
$100 million authorized by legislature over
five years; $12.5M in FY16 & FY17
What inputs do local governments use
when determining where to build
sidewalks and bike facilities?
77% of Massachusetts roadways
lack sidewalks:
35,000 miles of incomplete streets
Constituent Requests
Ad hoc
School Administrators
Local Committee
Prioritization plans
need prioritization criteria
Speed
Crashes
Feasibility & Cost
Demographics
ADA compliance
Field Surveys
What about utility?
Is Proximity Paramount?
Which streets and roads
are likely to have the
greatest utility
for pedestrians and cyclists
traveling to local destinations,
if safe and complete streets
were available?
Introducing…
Active Transportation Network Utility
Trip Production & DistributionTrip Purpose Trip Generation rates
based on…
Trip Attraction rates
based on…
Shopping, Services,
Restaurants
Household size
(Census 2010)
Restaurant & Retail
Employees (InfoGroup)
School Population age 5 to 17
(Census 2010)
School Enrollment
(MA DESE)
Transit Household size
(Census 2010)
Transit Frequency (EPA
Smart Location Database)
Outdoor Recreation Household Size
(Census 2010)
Acres of Open Space
(MassGIS)
• All production & attraction takes place at census block level
• Production and attraction rates based on analysis of 2011
Massachusetts Household Travel Survey (MTS)
• Doubly-constrained gravity models with input impedance based on
distance skim of network, calibrated to MTS data
• School commute trips cannot cross district boundaries
Mode Choice
0%
10%
20%
30%
40%
50%
60%
70%
80%
Perc
ent
of
Trip
s
Trip Length (Miles)
Active Transportation Mode Share: Home-Based Retail & Restaurant Trips