Short answer: Over 53,000 vehicles a day in 2010, a 30% increase over 22 years, with relatively few low-traffic hours in the day

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The City of West Hollywood counted Santa Monica Boulevard (SMB) traffic in 2010 to prepare a new General Plan. The counts covered three parts of the city. There were over 53,000 vehicles per weekday on SMB on the westside (Doheny to La Cienega). The boulevard carried more than 46,000 vehicles per day in center city (La Cienega to Fairfax) and over 45,000 on the east side (Fairfax to La Brea).

SMB traffic volumes were similar in communities to the west (Beverly Hills, Century City, and Westwood). The volume was lower near the city of Santa Monica. Looking east from West Hollywood, SMB traffic volumes dropped off in Hollywood.

Sources: Caltrans, 2014 Traffic Volumes on the California State Highway System; City of Beverly Hills, Traffic Flow Data (updated February, 2013); City of West Hollywood, data.weho.org, accessed April, 2016; City of West Hollywood, General Plan Final Environmental Impact Report Appendices, October, 2010.


Growth in Santa Monica Boulevard traffic

Santa Monica Boulevard traffic grew 66% in the center of the city over a period of roughly 22 years, from the 1988 General Plan to the 2010 study for the new General Plan. It grew 30% on the westside and 28% on the eastside.

Sources: City of West Hollywood, 1988 General Plan, traffic study; City of West Hollywood, General Plan Final Environmental Impact Report Appendices, October, 2010; our analysis.


Santa Monica Boulevard traffic by time of day

The California Department of Transportation recently counted traffic on Santa Monica Boulevard hour by hour. In many places, weekday traffic peaks twice a day, from 7 to 9 AM and 5 to 7 PM. West Hollywood isn’t one of those places:

  • Santa Monica Boulevard traffic is a big mound that reaches 75% or more of its height 14 hours a day (7 AM until 9 PM).
  • The highest hour is 6 to 7 PM, but that’s part of a five-hour-long period from 2 PM to 7 PM with almost as much traffic as the highest hour.
  • Westbound traffic peaks after 7 AM, but doesn’t drop below 75% of that peak until 8 PM, 13 hours later
  • Eastbound traffic builds throughout the morning, overtaking westbound traffic by 2 PM
Note: Average of two weekdays. Sources: Quality Counts via Caltrans via City of West Hollywood, January 29 and 30, 2015; our analysis.


Public transit and Santa Monica Boulevard traffic

Buses generally experience the same congestion and delays as other vehicles in Santa Monica Boulevard traffic. The exception is that West Hollywood’s traffic signals will stay green a little longer if there’s a Metrobus about to go through the intersection.

Buses make up 1% to 2% of SMB traffic throughout the day, according to the Caltrans numbers. The percentage is higher early in the morning, reaching 11% between 4 AM and 5 AM. We suspect that is due to Metrobuses leaving the yard and heading to wherever their morning routes start.


http://wehobythenumbers.com/wp-content/uploads/2016/04/201604-smb-hourly-traffic.jpghttp://wehobythenumbers.com/wp-content/uploads/2016/04/201604-smb-hourly-traffic-300x300.jpgDavid WarrenPerformance (effectiveness)Transportationbeverly hills,driving,hollywood,santa monica,traffic,transit,westwood
Short answer: Over 53,000 vehicles a day in 2010, a 30% increase over 22 years, with relatively few low-traffic hours in the day| The City of West Hollywood counted Santa Monica Boulevard (SMB) traffic in 2010 to prepare a new General Plan. The counts covered three parts of the...