Short answer: +9% peak vehicles and +52% total peak delays by 2035 (estimated)

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A forecast of West Hollywood traffic growth was prepared for the current General Plan. The forecast reflects both long-term regional growth in trips and additional West Hollywood-generated trips due to the real estate development that could happen under the Plan (and accompanying changes in zoning). The forecast was prepared for the “proposed” Plan, but the results should be similar for the final adopted version.


Growth in peak-period volume and delays

If the underlying assumptions are realized, peak-period car trips would grow 9%. That doesn’t sound like a lot, but adding that many cars to an already congested street network could increase the average driver’s delay by 39%. When those two numbers are combined, it means a 52% increase in total delays during the peak period.

future delays

Source: My calculations based on the numbers in the traffic study.


Minutes of delay

The potential increased delay for each driver can be seen in the extra minutes required to cross West Hollywood on Santa Monica Boulevard during the morning and afternoon peaks. The traffic study estimated that delays at 14 major intersections already add 10 minutes to the crossing in the morning and almost 8 minutes in the evening. Over the course of the Plan, worsening congestion could add another 3 1/2 minutes in the morning and 2 1/2 minutes in the evening.

delay in minutes

Source: My calculations based on the numbers in the traffic study.


http://wehobythenumbers.com/wp-content/uploads/2015/08/future-delays-e1441409765715.jpghttp://wehobythenumbers.com/wp-content/uploads/2015/08/future-delays-e1441409765715-300x300.jpgDavid WarrenTransportationdriving,traffic,transit
Short answer: +9% peak vehicles and +52% total peak delays by 2035 (estimated)| A forecast of West Hollywood traffic growth was prepared for the current General Plan. The forecast reflects both long-term regional growth in trips and additional West Hollywood-generated trips due to the real estate development that could...