What are the limit of acceptable error for traffic operations, economic evaluation, and trend analysis studies?

• A. ±2.0 to ± 4.o mi/l
• B. ±3.0 to ± 4.o mi/l
• C. ±1.0 to ± 4.o mi/l
• D. ±0.0 to ± 4.o mi/l