The challenge is to find appropriate streets to stripe, he said Streets with state names are customarily wide enough to add bike lanes, but rush-hour parking restrictions can make things more complicated.

• 找出适当的街道来划分出自行车道是个很大的挑战，他说道，一般来说冠以州名的公路是宽得足以划分出自行车道的，但高峰时间关于车辆停放的限制却使事情更棘手了。