Pipeline Safety Reauthorization Act of 1991

[AI summary unavailable — showing source text] Pipeline Safety Reauthorization Act of 1991 - Title I: Natural Gas - Natural Gas Pipeline Safety Authorization Act of 1991 - Amends the Natural Gas Pipeline Safety Act of 1968 (NGPSA) to revise the definition of "transportation of gas" to include the control of natural gas being delivered in consumer-owned pipe. Authorizes only a State agency that has submitted a current certification of jurisdiction and enforcement to adopt additional or more stringent safety standards for such intrastate pipeline transportation if they are compatible with the Federal minimum pipeline safety standards. (Currently a State agency may adopt more stringent standards even if it does not submit a current certification.) Authorizes the Secretary of Transportation (Secretary) to extend Federal Safety standards requiring new gas transmission facilities to accommodate instrumented internal inspection devices (smart pigs) to require that existing transmission facilities be modified to accommodate such devices. Excludes municipalities from the meaning of "State agency" in such Act to the extent that: (1) Federal pipeline safety standards shall not apply to intrastate gas pipeline transportation when similar s…