12-14 mph on a 10 mile jaunt one way - good weather - no or light rain
10-12 mph on windy and rainy days in Seattle
On my urban Cannondale Bad Boy with full fenders, rear rack, Topeak MTX trunkbag with panniers and a good 15 lbs of gear
But I do practice 100 yard to quarter mile sprints when the bike trail is open

My cruising speeds are between 30 and 35 kph. (between 18 and 22 mph)
Avg. speeds about 28 kph. or 17 mph. My commuting route is 28 km. (17 miles) one way and it mostly takes about an hour or so to reach my destination.

Art in the middle… Must be a European phenomenon…

Yeah. There's been a call to reduced the amount of art in the middle because some of the high-quality stuff is distracting and increased the number of accidents.

There was a somewhat recent NYT piece on it:

http://www.nytimes.com/2009/09/01/wo...taly.html?_r=0

one of my favorites is in Portugal:

day:

http://bikeforums.net/attachment.php...hmentid=291978


at night they glow :D

http://bikeforums.net/attachment.php...mentid=2919787

My commute is 10 miles exactly, door to door, and it takes an hour. That's only 10mph obviously. But that really isn't about speed, but about traffic conditions in NYC.

I've used my carbon road bike to do the commute, and it took an hour. I've used my MTB with slicks to do my commute, and it took an hour. I can crank it up on the clear sections, and it takes an hour. I can take it easy, and it still takes an hour. If I go all-out on the uphill of the Manhattan Bridge, it takes an hour... It really doesn't matter how fast I ride, as long as I'm not just poking along.

I've done the "commuter race" thing and what it always comes down to is whether you run the lights or not. And even then, we all get stuck at the same intersections where you can't just blow through.

But to answer the question the way most did: I ride at about 18mph on my road bike, 23 on a few clear sections, and maybe 15-16 on my mtb, and maybe hit 20 on those same clear sections on a good day with a tailwind. In Manhattan it is difficult to go very fast and still feel relatively safe. I see the crazies, but I'm not one of them. In fact, I've let the crazies blow past me, and then I'll blow past them on the bridge on the bike lane just to prove it doesn't really matter how fast you go in the streets.

All comments above are for my commute TO work when I'm not looking to get sweaty. Coming home is always a mix of enjoying the leisurely ride and cranking it up.

As for counting stop lights, I'm on 42nd St in midtown. That's 42 traffic lights right there. I can't even count the number I hit before I get to the numbered streets, but it's at least as many.

Usually my road speed is around 15mph but the average on the computer is 12 because of stops, slowdowns, etc

I roll faster on the cooler weather commutes most of the time since I mount up the less trail spec tires in the off season. Cold temps usually drive me to stay warmer too.
On the aero equipped mtb I do about 16-18 on the flats/backroads and 27 in the city. Trail version about 14-17 flats/backroads and 25-27 city. In the city the limitation usually falls on the aero one due to the bar-end shifters and less powerful mechanical brakes. The trail mtb supports more aggressive city play at the expense of a little top end gearing, though in the winter I find it a little more comfortable in gloves.

My commute is 22 miles each way, 80 percent of it is on a MUP. There are approx a dozen signals/stop signs along the way.

In the Summer on my road bike I'm averaging between 17 and 19 mph. I use a cross bike in the winter and speed slows down to around 15 mph.

My total round trip distance is 18 miles. I can get to work in about 20 min. if I'm really moving and have no headwind. It takes me twice as long to get home under the best circumstances. The reason for the difference?

About a 800 vertical feet over the nine miles, most of it in one single mile long hill. No stop signs and no traffic lights. It's almost all rural state highway with a "bike lane" shoulder. So 18 mph., averaged over the entire commute, would be my approximate fastest commute time but the morning half is at an average of 26 mph and the return trip at an average of 12 mph. But at the fastest point of the morning commute I'm going about 40 mph and for the same distance on the homeward leg it's more like 6 mph.

The ride? a Bridgestone MB-1, rear rack and panniers, flat bars with Scott aero bars, Schwalbe Marathon tires during non-winter and Schwalbe M Winters during the cold months (probably 6-10% slower at those times).

Zacster nailed it for me too - 11 miles each way, and it always takes 55 minutes no matter if I'm riding 12 or 17mph. I ride an older road bike with panniers full of work clothes on an urban MUP and at some places I'm crossing streets every 3 or 4 blocks. When I ride streets there are less stops and I can ride faster... and it takes 55 minutes. Sometimes I feel tired and it seems I'm really slow... and it takes 55 minutes.

15 mph is a good average speed for commuting because you have to stop so much for traffic lights and are riding alone and carrying more gear than a typical recreational rider. I say that because my average commuting speed is about 15 mph, which is about 2-3 mph slower than typical recreational group rides. My average speed is summer is usually about 1 mph faster than winter.

30 mile roundtrip commute for me. Moderately hilly, usually one pannier, predominantly urban riding especially in downtown area. Ride a Surly LHT with front and rear racks. Average 13 mph, with lots of starting and stopping. Winter, the average goes up a bit. Summer, average goes down due to (sometimes) extreme heat and humidity.

I absolutely LOVE commuting, though.

I can only say what av speed I go based on what the cyclometer says.
I do anywhere between 14-18.something mph on the way to work.
Cruising speed, I couldn't say because there aren't many real flat areas on my commute. A lotta up n down.
Even some areas that look like "flats" are pitched pretty well.

They're building more roundabouts (I prefer to call them "roundabounds") in the US midwest, and the designers here are getting it wrong, too -- ideally you'd be able to sight across them so you can time your entrances and exits around other vehicles, but they plop all sorts of tall obstructive "art" in the middle. :(

I left my AVG go for over a year once and it was 12.5.

Looking at some flat sections in Strava, cruising speed is usually 18-20.

OK, it's a roundabound! +1 about the midwest embracing (to a fault) the roundabound concept. One community just north of Indy has replaced almost every 4 way stop with them. While they work well in Europe, my experience is Americans are clueless when it comes to navigating circles. I wonder if roundabounds are part of the driver's curriculum yet?

On a trek 400 with 1 1/4 inch tires, with an 8 mile commute with 700 ft of climbing, I average about 12 mph. But like other posters have stated, it depends on the wind.

My regular commute is 16km. I generally travel at about 23-24km/h but I have a record of 26.5km/h. I chose the route because it has more hills, therefore greater fitness effort so I won't compete with others in this forum. However, one morning, when I had a very strong tailwind (40km/h or so), I chased a car down a hill and reached nearly 55km/h - it was fun.

My route had 4 traffic lights but 2 more have been added. It also had 13 stop signs but now 1 has been replaced with a stop light. I my morning ride starts at about 6:00-6:10 and is done before 7 so there is very little traffic: most stop signs are just decoration and red lights only suggest slowing down.

Averaging about 17.2MPH for my 14.6 mile commute each way including lights and such.

My direct commute takes about 20 minutes (4mi/.33hr = 12 mph) whether I ride the race bike or the utility bike. I count 24 stop signs or lights between my house and office.

slow and steady ...... 12-15mph

2.8 miles each way with a rolling average of 14-15mph, avg speed of 11-12mph

need to get these #'s up!

Overall average is 15mph for a 15 mile commute with 1000' of climbing.

Age: 52
Average speed: 13
Commute distance: 13 miles
Commute time: 1 hour (duh)
Weight: 178 lbs

Very few stops on my commute, for which I'm extremely lucky and grateful. It's pretty hilly, though, and there are sections where traffic isn't so pleasant and sections where it's hard to see at night.