Unless specifically banned by local ordnances(happens sometimes in tunnels, toll roads, highways etc) - whenever the rider wants to.
If a road does not have a bicycle lane, a bicyclist should ride their bicycle on the right side of the road, following the flow of traffic.
When riding a bicycle, you should ride with traffic, not against it. This is safer and follows traffic laws.
When walking on the street (if it is legal) and there is no sidewalk, always walk on the side of ONCOMING traffic(that is walk against the flow). If riding a bicycle ride with the flow of traffic.
If there is no bike lane, then the appropriate place to ride is on the roadway. As a slower vehicle you must abide by the rules of the roadway and allow any traffic you are holding up to pass.
When riding a bike on the road, it is safest to ride with the flow of traffic.
No, you are not required to be licensed to ride a bicycle, but if you are using the street, you are subject to the same traffic laws as a motor vehicle.
Yes, when riding a bike, it is important to ride with the flow of traffic to ensure safety and follow traffic laws.
Depends on where you intend to ride. But If you are going to ride in traffic I'd recommend two.
It is safest to ride bikes with traffic, following the flow of vehicles on the right side of the road.
It is not necessary to have a driver's licence to ride a bicycle on the street in the US. You can be given tickets for violating traffic laws, and in some states you can be arrested for DUI while riding a bicycle.
that it is a ride that starts at a stadium and goes though traffic for 12 or 24 hours
No, when riding a bicycle on a one-way street with two or more traffic lanes, you should ride in the rightmost lane that is going in the direction you are traveling.