A travel speed of 4 ft. B-line buses should use middle lanes, except for stopping. Should be two ramps at corners- one for each direction. For localized damage, e.g. tree roots, Engineering will fix. They are trying to grade the patching so that it does not create a steep slope, which then itself becomes another barrier.
Bulges can also prevent parking too close to crosswalks.
Bulges are standard for local improvements in residential areas, but can't be used on arterials. You can send us email .