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Safety tips for riding bike trails in the dark?

I was commuting between central Seattle and Bellevue on my bike quite a bit last summer, but I wimped out when the weather started getting cold. Today I tried riding home across I-90 for the first time since August. I started at 6pm and by the time I got to the Mercer Island P&R I had not seen a single other bicyclist. Riding at the same time of day during the summer, I would be passed by about 5 people and see at least 15 going in the other direction. I was so freaked out by how empty and dark it was that I took the bus from the Park and Ride. Normally I like busing on the way in and riding all the way home so I don't need to bring a change of clothes to work.

Is it so unsafe to ride the Mountains to Sound trail in the dark that people just don't do it?

If I don't want to start leaving work at 4pm to catch the light, what are your recommendations for making sure I don't run into something or get mugged? I noticed my headlight isn't bright enough for riding unlit trails, so that will definitely need to be an upgrade.

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6 Answers

  • 4912312656_2c8408ec72_small
    Reputation: 115

    I doubt it's intrinsically unsafe to ride on those trails in the dark. The reason that you didn't see anyone else riding is because most people prefer not to ride in the cold, wet, and dark Seattle winter. Understandable. Regarding mugging, it's probably not a super serious issue (especially on the east side and on Mercer Island). HOWEVER, I have heard several stories about people being mugged or otherwise threatened in the vicinity of the I-90 tunnel. I have personally ridden through that tunnel at night many times and have not had any issues, but there is definitely a risk present. One option would be to avoid the tunnel and ride up to 31st, turn right, and then take a left onto Jackson and take that all the way to downtown. In any case, I would avoid the part of the trail that goes through the park west of MLK, even if you do ride through the tunnel. I would jog north onto MLK, despite the extra hill.

    All you really need to be safe on those trails is good lights. If you're serious about commuting this time of year, you really need to invest in quality lights. Skip the cheap little ones you see at the bikeshop.

    The best, and most expensive, option is a "Dynohub" lighting system. This system includes a special wheel with a hub that generates electricity. You attach a light that is typically MUCH BRIGHTER than any battery light you can easily buy in the states. You can find cheaper Chinese or Taiwanese dynohubs and lights, but the best stuff is German made. Schmidt and Busch & Muller are two excellent lighting companies and their products are of the absolute highest quality. These lights will allow you to ride at night with ease. They are often designed to allow you to do things like descend mountain passes at 40mph in the middle of the night. Thus, adequate for commuting!

    There are also high powered battery systems that throw out a lot of light. Niterider, Dinotte, etc. My issue with these is that while super, super bright they have a tendency to blind others due to their unsophisticated optics. Ever been blinded on the bike trail by another commuter? Probably he had one of these bright lights, which shine just as much light up as down.

    As such, I personally use a B&M Ixon IQ battery light. Pretty spendy at $140 from Peter White Cycles, but it is designed to send most of its light at the ground, where you need it. The difference between the Ixon and all the other battery lights I've used is remarkable. I suspect it is the best battery powered light available!

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  • Gold-head_small
    Reputation: 6000

    All I can say is, wear bright clothing and get a good light.

    Bright clothing, especially in Seattle weather, means YELLOW RAINGEAR. You might be surprised at how warm just raingear, with just your ordinary clothing underneath, can be on a bike. I used to ride all winter in Boston, which is ten times colder and snowier than here, with rarely as much as a sweater under my good rain jacket and pants (I wore a balaclava, gloves and booties, of course).

    Good light means high intensity motorcycle-style light, with a separate battery pack. I used to keep a battery pack charging at both home and work, switching off. The thing was heavy and annoying but it WORKED. This was ages ago; they make much lighter and smaller ones now.

    But I'm serious: anything less than, say, 200 lumens is just not enough. Those little blinky things are especially worthless; cars can't really tell where you are, especially if you're wearing black. Blinky lights are also seriously irritating to drivers. I wouldn't put a blinky even on the rear.

    NiteRider makes awesome lights up to 1500 lumens. So does CygoLite and Light and Motion. Good lights are expensive, but your life is worth it; if you're spending less than $200 you're not getting good enough lights.

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  • Spaceship_small
    Reputation: 1812

    Do they still sell mechanical generators that power your front light and blinking rear light based upon your pedal power? A great invention!

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  • Qlandav2ex_small
    Reputation: 4209

    I will leave the technical equipment details and route advice to the experts that have already posted.

    My thought is just to add that you should have a well charged cell phone with you and even take the precaution of having someone know when you are in transit and expected home so that if something unforeseen happens (even just a ride terminating equipment breakdown) that folks will be looking out for you or come to get you.

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  • James_garner_leo_fuchs_a09_163_small
    Reputation: 326

    I recommend riding the route while it's light a few times, like an expert rally driver pacing the course, perhaps on a weekend outing, and be mindful of irregular dips or gaps in the trail, places where water may accumulate, where unscrupulous people may hang out, where other trails merge, etc, so that on the first nocturnal adventure, you've best-prepared. You don't want to get a needless pinch-flat or other mechanical breakdown because you weren't aware of the trail features.

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  • Keith_small
    Reputation: 0

    Acknowledging the answers below, there are some basics here worth mentioning - if you want to significantly improve your safety on trails, definitely do what you can to travel with a partner. This doesn't have to be a regular coordination - could be as simple as waiting for the next cyclist to come along your same route and politely ask them if they don't mind sticking together for a duration of the ride.

    The second thing is minimize the potential costs, are to not carry anything valuable with you. This doesn't improve safety but it better than losing a number of valuables such as laptop etc.

    Other security improvements include carrying mace in a convenient location.

    I don't mean to concern anyone here, but I grew up in a large European city as well as living in some rough parts of San Francisco. Even painting my bicyle to be less 'fancy' looking after an encounter in SF where someone tried to steal the bicycle.

    We're in good shape here in general in Seattle compared to those other places.

    Be seen, see where you're going, travel in numbers where possible, and don't carry anything of value.

    And of course, be aware of your surroundings helps too :-)

    Hope that helps.

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