1. Laws
Countermeasure | Effectiveness | Cost | Use | Time |
---|---|---|---|---|
1.1 Speed limits | ★★★★★† | $ | High | Short |
1.2 Aggressive driving laws | ★☆☆☆☆ | $ | Low | Short |
† When enforced and obeyed
2. Enforcement
Countermeasure | Effectiveness | Cost | Use | Time |
---|---|---|---|---|
2.1 Automated enforcement | ★★★★★ | $$$† | Medium | Medium |
2.2 High-visibility enforcement | ★★☆☆☆ | $$$ | Low†† | Medium |
2.3 Other enforcement methods | ★★☆☆☆ | Varies | Unknown | Varies |
† Can be covered by income from citations
†† For aggressive driving, but use of short-term, high-visibility enforcement campaigns for speeding is more widespread
3. Penalties and Adjudication
Countermeasure | Effectiveness | Cost | Use | Time |
---|---|---|---|---|
3.1 Penalty types and levels | ★★☆☆☆ | Varies | High | Low |
3.2 Diversion and plea agreements | ★☆☆☆☆ | Varies | Unknown | Varies |
4. Communications and Outreach
Countermeasure | Effectiveness | Cost | Use | Time |
---|---|---|---|---|
4.1 Public Information supporting enforcement | ★★★☆☆ | Varies | Medium | Medium |
Effectiveness:
★★★★★ | Demonstrated to be effective by several high-quality evaluations with consistent results |
★★★★☆ | Demonstrated to be effective in certain situations |
★★★☆☆ | Likely to be effective based on balance of evidence from high-quality evaluations or other sources |
★★☆☆☆ | Effectiveness still undetermined; different methods of implementing this countermeasure produce different results |
★☆☆☆☆ | Limited or no high-quality evaluation evidence |
RSPCB Program Point of Contact
Felix Delgado, FHWA Office of Safety
Felix.Delgado@dot.gov
FHWA Office of Safety
Staff and Primary Work Responsibilities
FHWA Office of Safety
Safety and Design Team
FHWA Resource Center