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Seattle's Steepest Streets To Avoid During Snow

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As snow begins to fall in Seattle, drivers are beginning to ask themselves the most important question of the season. What streets do I need to avoid if I don't want to end up on YouTube looking like a jackass as my car slides down a hill that I shouldn't have been driving down in the first place?

Below you'll find a map of the ten steepest intersections in the Seattle area according to SDOT. If the snow falls hard and sticks to the road, avoid these spots at all costs. Otherwise...see you on YouTube! (And feel free to point out any other danger spots around town in the comments...)

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1. E Roy Between 25th & 26th

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East Roy Street & 25th Avenue East
Seattle, WA 98112

With a slope of 26.04%, you don't want to come barreling down here during a snowstorm. You'll just keep going whether you want to or not.

2. E Boston btwn Harvard & Broadway

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Harvard Avenue East & East Boston Street
Seattle, WA 98102

Crossing under the I-5 here can be a dangerous proposition during snow thanks to a 23.8% grade.

3. NW 60th St. btwn 2nd & 3rd

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2nd Avenue Northwest & Northwest 60th Street
Seattle, WA 98107

Already a dangerous way to cut across thanks to a 28 grade slope, it's downright frightful in bad weather.

4. E Highland btwn 24th & 25th

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24th Avenue East & East Highland Drive
Seattle, WA 98112

Between Montlake and Stevens is this tricky incline with a 23.6% downward grade.

5. Mercer btwn Melrose & Eastlake

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East Mercer Street & Melrose Avenue East
Seattle, WA 98102

This Mercer Mess has a steep grade of 22.6%. Avoid at all costs in snow.

6. E Boston btwn Boylston & Harvard

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Boylston Avenue East & East Boston Street
Seattle, WA 98102

The lesson you should be learning is don't drive anywhere near an I-5 underpass when it snows in Seattle. You're begging to end up on YouTube.

7. Helen, Ward & Prospect btwn 24th N & 25th

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24th Avenue East & East Prospect Street
Seattle, WA 98112

Between Helen, Ward and Prospect Streets, there's absolutely no reason to drive on any of them between 24th and 25th Avenue. Over 22% grades, all of them.

8. Queen Anne Ave. btwn Prospect & Highland

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Queen Anne Avenue North & Prospect Street
Seattle, WA 98109

You had to know Queen Anne was gonna show up here sooner or later.

9. South Graham btwn Wilson & Chatham

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South Graham Street & Wilson Avenue South
Seattle, WA 98118

If you get lost on your way to Seward Park, you might end up sliding right into it if you go down this 21% grade hill in the snow.

10. Madison St. btwn 3rd & 4th

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Madison Street & 3rd Avenue
Seattle, WA 98154

Driving downtown is treacherous enough without snow. So avoid this intersection with a 19% grade if you're there.

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1. E Roy Between 25th & 26th

East Roy Street & 25th Avenue East, Seattle, WA 98112

With a slope of 26.04%, you don't want to come barreling down here during a snowstorm. You'll just keep going whether you want to or not.

East Roy Street & 25th Avenue East
Seattle, WA 98112

2. E Boston btwn Harvard & Broadway

Harvard Avenue East & East Boston Street, Seattle, WA 98102

Crossing under the I-5 here can be a dangerous proposition during snow thanks to a 23.8% grade.

Harvard Avenue East & East Boston Street
Seattle, WA 98102

3. NW 60th St. btwn 2nd & 3rd

2nd Avenue Northwest & Northwest 60th Street, Seattle, WA 98107

Already a dangerous way to cut across thanks to a 28 grade slope, it's downright frightful in bad weather.

2nd Avenue Northwest & Northwest 60th Street
Seattle, WA 98107

4. E Highland btwn 24th & 25th

24th Avenue East & East Highland Drive, Seattle, WA 98112

Between Montlake and Stevens is this tricky incline with a 23.6% downward grade.

24th Avenue East & East Highland Drive
Seattle, WA 98112

5. Mercer btwn Melrose & Eastlake

East Mercer Street & Melrose Avenue East, Seattle, WA 98102

This Mercer Mess has a steep grade of 22.6%. Avoid at all costs in snow.

East Mercer Street & Melrose Avenue East
Seattle, WA 98102

6. E Boston btwn Boylston & Harvard

Boylston Avenue East & East Boston Street, Seattle, WA 98102

The lesson you should be learning is don't drive anywhere near an I-5 underpass when it snows in Seattle. You're begging to end up on YouTube.

Boylston Avenue East & East Boston Street
Seattle, WA 98102

7. Helen, Ward & Prospect btwn 24th N & 25th

24th Avenue East & East Prospect Street, Seattle, WA 98112

Between Helen, Ward and Prospect Streets, there's absolutely no reason to drive on any of them between 24th and 25th Avenue. Over 22% grades, all of them.

24th Avenue East & East Prospect Street
Seattle, WA 98112

8. Queen Anne Ave. btwn Prospect & Highland

Queen Anne Avenue North & Prospect Street, Seattle, WA 98109

You had to know Queen Anne was gonna show up here sooner or later.

Queen Anne Avenue North & Prospect Street
Seattle, WA 98109

9. South Graham btwn Wilson & Chatham

South Graham Street & Wilson Avenue South, Seattle, WA 98118

If you get lost on your way to Seward Park, you might end up sliding right into it if you go down this 21% grade hill in the snow.

South Graham Street & Wilson Avenue South
Seattle, WA 98118

10. Madison St. btwn 3rd & 4th

Madison Street & 3rd Avenue, Seattle, WA 98154

Driving downtown is treacherous enough without snow. So avoid this intersection with a 19% grade if you're there.

Madison Street & 3rd Avenue
Seattle, WA 98154