L.A. Math: 10 minutes = 32 minutes

I generally aim to leave my house in Sherman Oaks (East) earlier than 6:40am. Ideally, I’ll hit the road at 6:30am. When I leave on time (absolutely no later than 6:40am), my 24.9 hour commute lasts a comfortable 47 minutes (average 34mph, not horrible by L.A. standards). Take a look at each leg of the route, parenthesized with time elapsed on each leg:

Coldwater Canyon –> Kester Ave., 2.38 miles (4 minutes)
Kester –> Ventura Blvd., 4.98 *total distance of commute (4 minutes)
Ventura –> Sepulveda Blvd., 5.49 (4 minutes)

Sepulveda –> 405 onramp, 5.994 (4 minutes)
405 onramp –> Mulholland Way, 7.54 (9)
Mulholland –> Sunset Blvd., 11.56 (5)
Sunset –> Wilshire Blvd., 12.99 (2)
Wilshire –> 10 fwy, 14.97 (3)
10 fwy –> 90 fwy, 18.59 (4)
90 fwy –> 105 fwy, 23.35 (4)

105 fwy –> Nash St. 24.44 (2)
Nash –> 855 Douglas St. 24.9 (2)

As stated, 6:40am is the breaking point for my commute, specifically. If I leave at 6:45, my commute increases to an average of 55 minutes (an understandable 8 minute increase in drive time for a 5-minute delay in leaving). If I leave at 6:50am, the commute makes an exponential increase – the 10-minute lapse costs me an astounding 32 minutes of drive time.

Here is the breakdown of the delayed-egress commute:
Coldwater Canyon –> Kester Ave., 2.38 miles (new comute time for stretch: 6 minutes) +2 (reason: two additional stoplight cycles)
Kester –> Ventura Blvd., 4.98 *total distance of commute (6 minutes) +2 (reason: general traffic)

Ventura –> Sepulveda Blvd., 5.49 (9 minutes) +5 (reason: 3 additional stoplight cycles)
Sepulveda –> 405 onramp, 5.994 (10 minutes) +6 (reason: Sepulveda only two lanes heading south, too many cars for space alotted)

405 onramp –> Mulholland Way, 7.54 (12) +3 (reason: absolute congestion)
Mulholland –> Sunset Blvd., 11.56 (14) +9 (reason: absolute congestion)

Sunset –> Wilshire Blvd., 12.99 (4) +2 (reason: general traffic)
Wilshire –> 10 fwy, 14.97 (4) +1 (reason: general traffic)

10 fwy –> 90 fwy, 18.59 (4) –
90 fwy –> 105 fwy, 23.35 (4) –
105 fwy –> Nash St. 24.44 (4) — +2 (reason: general traffic)

Nash –> 855 Douglas St. 24.9 (2) –

Ahh, L.A.. . where new math is explained both on and offthefreeway.
http://allworldcars.com/wordpress/wp-content/uploads/2008/12/01/la_traffic_043.jpg

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2 comments

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  2. la meat marker

    Daaaaang, my commute is the same way. I leave at 7 but if it takes even a half hour then my commute doubles!

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