The phrase "poor roads" refers to roads that are not in good condition or quality. They may have potholes, cracks, or uneven surfaces, making them difficult and dangerous to drive on. Full definition
Note to drivers: be very careful in driving on poor road conditions because of the inherent, and not to mention, obvious, dangers that lie ahead. (topspeed.com)
What's particularly impressive is that the suspension is still sufficiently compliant to deal with poor road surfaces. (carbuyer.co.uk)
This has been done to address requests for a smaller wheel option in an attempt to reduce the risk of wheel / tire damage in markets with poor road conditions. (bmwusanews.com)