RSAC

1) Royal Scottish Automobile Club. Motoring organization offering (among other services) roadside assistance. Also issues Bail Bonds and International Driving Permits.

R&RTHC

1) Roads and Road Transport History Conference. Organization concerned with the history of and research into road transport and the preservation of transport archives, etc.

RRP

1) Resource requirements planning. A planning concept used in manufacturing or distribution to ensure that all the necessary resources are brought together at the point of production or distribution as and when required to complete the process.

RPI

1) Retail price index. National scale of price indexes relating the current price to a base of 100 in 1987. For example, the RPI at the end of 1999 was 166.7 against a base of 100 in January 1987 but would be 539.5 against the 100 base of January 1974.

RPE

1) Respiratory protective equipment. Requirement of health and safety legislation that this must be provided by employer where necessary.

Routeing

1) The practice of planning routes for vehicles to achieve most economic or efficient delivery (usually) to multiple delivery addresses. Spelling 'routeing' preferred to 'routing'.