Dec 16 (Reuters) -
* CPP INVESTMENTS TO ACQUIRE STAKE IN TOLL ROAD BUSINESS TRANSURBAN CHESAPEAKE
* CANADA PENSION PLAN INVESTMENT BOARD - WILL HOLD A 15% INTEREST IN TRANSURBAN CHESAPEAKE WITH AN INITIAL INVESTMENT OF $624 MILLION
* CANADA PENSION PLAN INVESTMENT BOARD - TRANSURBAN WILL RETAIN A 50% STAKE IN BUSINESS