7- AA19-04; TPM19-01;DA18-02_2800 N MAIN STREET

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lift Fashion Square traffic destined for the southbound Santa Ana Freeway will have a choice between Main Street and Broadway south to the Buffalo on-ramp. Inbound Fashion Square traffic from the southbound Santa Ana Freeway has a choice of using either Main Street or Broadway. However, most of this traffic will have been intercepted and diverted to the La Veta off-ramps or the Garden Grove Freeway. Northbound Santa Ana Freeway will be provided with a direct off-ramp to the Fashion Square Service Road. Outbound Fashion Square traffic headed north will have an opportunity to use a new Main Street on-ramp or avoid Main Street altogether by using the Rte 22 Freeway. Fashion Square will probably be identified with Main Street and many motorists, particularly retail and hotel customers and visitors to the office buildings may use Main Street solely because of this identity. But more than half of peak periods travel will be by employees (conmiuters who seek out the shortest time paths which will be via freeway access other than Main Street. Capaci>:y Analysis An arterial capacity analysis was conducted using the traffic assignment forecasts from the SATC/ISIP travel model. A detailed location by location Intersection Capacity Utilization (ICU) analysis .2 was not conducted since the highway assignments do not include intersection turning movements. An assumption that the turning II- movements will remain similar to those existing today is highly speculative given that intensive development of the Fashion Square/Town .1 and Country area will cause substantial changes in existing travel patterns. These changes will result from modifications to the existing highway network (new ramps, Broadway Overcrossing, Memory Lane, Lawson Way) and improved transit service as well as from increased ride sharing and staggering of work schedules. 96