Except for applications proposing housing to be reviewed with clear and objective approval criteria, where necessary to insure safety, reduce traffic hazards and promote the welfare of the general public, pedestrians, bicyclists and residents of the subject area, the planning director or public works director may require that local streets and alleys be designed to discourage their use by non-local motor vehicle traffic and encourage their use by local motor vehicle traffic, pedestrians, bicyclists, and residents of the area.