Because alcohol and drugs are totally restricted and because only the military is permitted to own guns, the streets are much safer than in most cities in North America. The government maintains tight control on it's citizens and ex patriots. The important aspect to remember is don't commit any offenses, as the penalties are harsh. Because housing is usually situated close to your work site you can usually walk to work or the employer provides bus or shuttle service. Getting into the local town usually can be accomplished by the public bus service.
Some facilities also provide a free bus service for shopping trips.
Women can NOT drive anywhere in Saudi Arabia. Saudi Arabia has an extensive, modern, national, health care delivery system providing both primary and acute care. Most physicians are western educated and board certified. The provision of care is similar to that of the U.S. or Canada, using state of the art technologies including MRI and more recently laser surgery. The medical language is English.