ROAD SAFETY ANALYSIS

Connecticut Road Safety Analysis

Behavioral Insights Powered by StreetVision

The following road safety report evaluates road risk events in Connecticut from January 2026 through March 2026. It examines phone distraction rates, intersection-level hard braking activity, and corridor-level speeding patterns to determine where risk is most concentrated.

The report leverages insights from CMT’s StreetVision, an AI-powered behavioral analytics platform that provides decision-ready insights into roadway risk before crashes occur. Transportation officials use StreetVision to identify hotspots, prioritize high-impact safety interventions, and evaluate the effectiveness of countermeasures.

Here is a snapshot of our findings — covering distraction benchmarking, county-level concentration analysis, high-risk intersection identification, and corridor speeding patterns.

01 PHONE DISTRACTION

Monthly distraction rates: A comparison to the national benchmark

In January 2026, drivers in Connecticut recorded 20.96 phone tapping events per 100 miles driven, compared to the national average of 23.55, placing the state 11.0% below the US benchmark. 

In February, the rate was 21.86, a 4.7% increase from the prior month, and 9.1% below the national average.

By March, phone tapping decreased to 20.88 events per 100 miles, marking a 4.5% decrease from February. It was 12.2% lower than the US average.

phone tapping events per 100 miles

January 2025

20.96

National avg: 23.35

Feburary 2026

21.86

+4.3% from January

March 2026

20.88

-4.5% from February

02 COUNTY ANALYSIS

County-level insights reveal concentrated rates of distracted driving

Across the three-month period, Connecticut averaged 21.23 phone-tapping events per 100 miles, though county-level data shows wide variation around that benchmark.

The most distracted counties, led by Greater Bridgeport, Naugatuck Valley, and South Central Connecticut recorded distraction rates roughly 4% to more than 10% above the state average, highlighting concentrated pockets of elevated risk.

In contrast, the least distracted counties, led by Northeastern Connecticut, Southeastern Connecticut, and the Lower Connecticut River Valley reported rates about 10% to 20% below the statewide average, underscoring a clear regional divide in driver behavior.



phone tapping events per 100 miles

Highest distraction

1 Greater Bridgeport County 23.4 +10.2%
2 Naugatuck Valley County 23.4 +10.2%
3 South Central Connecticut County 22.2 +4.6%
4 Capitol County 21.2 −0.1%

Lowest distraction

1 Lower Connecticut River Valley County 17.0 −19.9%
2 Southeastern Connecticut County 18.9 −11.0%
3 Northeastern Connecticut County 19.1 −10.0%
4 Northwest Hills County 20.2 −4.9%
5 Western Connecticut County 21.0 −1.1%

03 HARD BRAKING

High risk intersections: Where hard braking signals elevated crash risk

Intersections account for roughly 25% of all US traffic deaths and 50% of all traffic injuries, despite representing a small share of roadway mileage. Hard braking often signals near-miss events, making it a leading indicator of elevated crash risk.

An analysis of Greater Bridgeport County intersections found Main Street and George Street to be a high-risk hotspot, with 413 hard braking events per 100 miles driven.

highest risk

Main Street & George Street

413

hard braking events / 100 mi

other high risk intersections in South Carolina

Hard Braking Events per 100 miles

2

Chopsey Hill Road & Woodrow Avenue

325.0

3

Main Street & Mill River Drive

298.8

4

Kings Highway East & Warren Avenue

293.8

Locations with persistently high hard braking activity are widely recognized as candidates for proactive intervention — where targeted engineering improvements, enforcement visibility, or behavioral countermeasures may reduce crash risk before crashes occur.

04 SPEEDING PATTERNS

When & Where Speeding Risk Peaks

Speeding behavior in Connecticut follows identifiable time-of-day and corridor-level patterns, creating predictable windows of elevated risk.

On Route 25 near Trumbull (55 mph), speeding peaks on Sundays at 4:00 p.m., when 62.4% of driving time exceeds the limit. Additional elevated speeding periods include Wednesdays at 2:00 p.m. and Fridays at 3:00 p.m.

CORRIDOR ANALYSIS

Route 25

Posted speed limit: 55 mph

Sundays: 4:00 p.m.

62.4%

of driving time exceeds the posted speed limit

Wednesdays: 2:00 p.m.

60.2%

of driving time exceeds the posted speed limit

These patterns provide actionable intelligence for speed studies, high-visibility enforcement, public awareness campaigns, and resource allocation decisions.

05 SCHOOL ZONES

How fast are drivers going in school zones?

We analyzed speed distribution in the school zone at Cos Cob Elementary School on E Putnam Ave in Cos Cob, CT, focusing on weekdays from 6:00 a.m. to 6:00 p.m. Our analysis found that 8% of drivers exceed the 30 mph limit during active school zone hours.

Understanding how frequently speeding occurs during school hours helps traffic engineers determine whether stronger safety measures are needed to better protect vulnerable road users.

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