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For a flat criterium at 40 km/h, 1 km circuit, 4 corners per lap, 10 km/h speed loss at each corner, one hour duration, there would be 160 corner "jumps". For 90 kg rider and bike, this adds roughly one third effort compared to the same ride at a steady speed, and a mass reduction of 10% of the total system weight (bicycle, rider, and luggage ...
As of May 15, 2017, 41 states have maximum speed limits of 70 mph (113 km/h) or higher. 18 of those states have 75 miles per hour (121 km/h) speed limits or higher, while 7 states of that same portion have 80 mph (129 km/h) speed limits, with Texas even having an 85 miles per hour (137 km/h) speed limit on one of its toll roads.
The Minnesota Drive Expressway features a 60-mile-per-hour (97 km/h) speed limit, as does the Richardson Highway between Fairbanks and North Pole. Since the mid-1990s, Alaska's major highways have gradually been upgraded from 55 mph to 60 or 65 mph. However, several continue to carry the default 55 miles per hour (89 km/h) speed limit, including:
Race Across America, an ultra marathon bicycle race across the United States that started in 1982. The fastest average speed records are: Solo man: Christoph Strasser, 2014, who averaged 16.42 mph (26.43 km/h) riding 3,020 miles (4,860 km) in 7 days, 15 hours, and 56 minutes. [76]
Records are usually expressed in terms of average speed, not total time, to account in part for differences in course length. For many years, the fastest men's speed was by Pete Penseyres in 1986, when he rode 3,107 miles (5,000 km) at an average of 15.40 mph (24.78 km/h).
The average bicycle rider can ride at around 15 mph, while someone who regularly rides and trains can hit 20 mph, meaning someone on an electric bike can hit those speeds without even trying.
I’ll also note that even though 15 mph seems to be the standard speed limit for alleys, the National Association of City Transportation Officials recommends a 10 mph speed limit for alleys.
Kilometres per hour are on the left and miles per hour on the right.* A speed limit is the limit of speed allowed by law for road vehicles, usually the maximum speed allowed. Occasionally, there is a minimum speed limit. [1] Advisory speed limits also exist, which are recommended but not mandatory speeds. Speed limits are commonly set by the ...