By "seepage" you mean stopping water running down the driveway from going into the grass? So the grass (the dirt crown) is lower than the driveway and you're concerned with wet soil during non-rain times?
Guessing 170ga/hr at peak is only a pump every 1.5minutes or so. You must have some slope somewhere rather than a completely flat lot, you said it runs to your neighbor, so can you reduce the end of pipe back to give the water more room to soak into the ground (for non-rain times), or just move the end to an opposite part of the yard (to reduce his peak time flooding)?
I wouldn't bother with building a gutter, where does the water from a rain on the driveway go to now, it must be sloped to street some? Can you just run a pipe to the apron to avoid the lip and standing driveway water? Does your AHJ allow dumping into the street?
In the winter sometimes you have to do a different route to avoid freezing in a long pipe. Would it matter to just dump it into the yard then since it is not really being used?
Guessing 170ga/hr at peak is only a pump every 1.5minutes or so. You must have some slope somewhere rather than a completely flat lot, you said it runs to your neighbor, so can you reduce the end of pipe back to give the water more room to soak into the ground (for non-rain times), or just move the end to an opposite part of the yard (to reduce his peak time flooding)?
I wouldn't bother with building a gutter, where does the water from a rain on the driveway go to now, it must be sloped to street some? Can you just run a pipe to the apron to avoid the lip and standing driveway water? Does your AHJ allow dumping into the street?
In the winter sometimes you have to do a different route to avoid freezing in a long pipe. Would it matter to just dump it into the yard then since it is not really being used?