Cost Benefit Analysis Applied to Behavioral and Engineering Safety Countermeasures in San

Francisco, California

Ryan Greene-RoeselSan Francisco County Transportation Planning Authority

December 2013

Note: Research funded by the Transportation Research Board under NCHRP 17-46 and completed while at Cambridge Systematics

Education Engineering

Enforcement Emergency

Methodology

2. Automated Speed Enforcement Buffer

1. Pedestrian Median Extension

Countywide Implementation3. Child Pedestrian Safety Training

4. DUI Sobriety Check Points

1

2

3

4

$0 $50 $100 $150 $200 $250

($2)

$0

$2

$4

$6

$8

Countermeasure Benefit Cost Ratios

Net Present Benefits (Millions of $2010)

Net

Pre

sent

Cos

ts (M

illio

ns o

f $20

10)

School Pedestrian Training Programs

Sobriety Checkpoints

Pedestrian Median Extensions

Speed Cameras