# Great Highway Closure Traffic Impact Data Reveals Mixed Results

> New traffic data shows Great Highway closure has minimal impact on commutes, with some areas seeing slight delays.
- Title: Great Highway Closure Traffic Impact Data Reveals Mixed…
- Summary: New traffic data shows Great Highway closure has minimal impact on commutes, with some areas seeing slight delays.
- Keywords: great highway, san francisco, prop g, sunset dunes, traffic, commute, sfmta, voters, election, reopening, Sfchronicle
- Source: Sfchronicle — https://sfchronicle.com/sf/article/great-highway-closure-traffic-data-22497602.php
- Read time: 1 min
- Topics: great highway, san francisco, prop g, sunset dunes, traffic, commute, sfmta, voters, election, reopening, news, local
## Great Highway Closure Impact
San Francisco voters will decide the Great Highway's future on Tuesday's election.
## Traffic Disruption Claims
Some say losing the Upper Great Highway has jammed traffic and disrupted west side routines.
## Proposition G Details
Proposition G would reopen the two-mile stretch of road to cars on weekdays.
## Traffic Data Analysis
The Chronicle and Here Technologies found modest congestion increases across west-side streets.
## Key Commute Changes
Average morning rush hour speeds dropped 10% on Sunset arteries like 19th Avenue and Chain of Lakes Drive.
## Longer Commutes
The drive from Outer Richmond to San Francisco Zoo took 16 minutes and 30 seconds this year.
## Alternative Routes
Drivers using alternate routes like Sunset Boulevard and 19th Avenue face increased traffic.
## SFMTA Response
SFMTA says traffic changes stem from freeway construction and return-to-office patterns.
## Friends of Sunset Dunes
Friends of Sunset Dunes president Lucas Lux says commutes are less impacted than expected.
## Yes on G Campaign
Yes on G organizers say highway closure has clogged alternate routes and increased commute times.
## Resident Perspectives
Some residents say traffic jams are minimal, while others report significant disruptions.
## Community Impact
Residents face trade-offs between coastal park access and commute efficiency.
## Key takeaway

San Francisco voters will decide if reopening the Great Highway to cars improves traffic or harms coastal park access.