Perceptions of personal safety are also important to commuters. Graffiti and dimly lit trains, stations, and parking lots are perceived as unsafe. Visible protection, such as security guards, station attendants, police patrols or surveillance cameras, contribute to a greater sense of safety. Reliability is a term used to define how often a system malfunctions and how long it takes to get it back into operation. Low reliability translates into poor dependability and high maintenance costs.
Most residential developments face opposition due to their traffic impacts.
The only answer is to design the growth of our region around a mobility vision that can work. If we do not greatly reduce growth in traffic and improve transit patronage, San Diego will not realize its potential as an internationally recognized trade and cultural center. An economically viable transit system will attract private investment. First, we must be open minded about what a future system might look and feel like. Given the number of new options, the best approach to planning transit's future role is to start with what we want the system to do, and then go looking for technologies that meet those requirements.