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On January 26, 1988, however, a traffic count was conducted to determine actual peak season volumes. This count revealed the following information: The P.M. peak level of service for U.S. 1/4th Street/Indian River Boulevard is: Existing LOS LOS with Site 11/24/87 1/26/88 LOS; Saturation* LOS Saturation* D; 84% D; 87% E; 94% E; 103% *Saturation can be defined as percent of roadway capaci- ty used. Based upon the new data, it is apparent that the applicant's traffic impact analysis under estimated peak season traffic volumes. Using the most recent estimates, the staff deter- mined that the project will impact an intersection that already functions at level of service E. Section [23.2(d) (1)e] of the zoning code precludes approval of this project with the existing traffic conditions, unless improvements are programmed into the traffic system which will create enough additional capacity to accept the traffic attracted by the project without creating level of service E conditions. The applicant submitted a revised traffic study on March 3, 1988, which confirmed that the intersection is now func- tioning at level of service "E" for the P.M. peak. Sub- sequently, the applicant has proposed a southbound right turn lane from U.S. #1 to 4th Street. Staff concurs with the applicant that this improvement would raise the level of service for the intersection to a marginal level of service (D) after the completion of the project. Staff feels addi- tional intersection improvements should be made to ensure the intersection continues to function at an acceptable L.O.S. taking into account annual growth and the increase in back- ground traffic. The FDOT has also responded to the applicant's and the County's questions concerning site related off-site improve- ments to U.S. 1. Major comments are that traffic signals are not warranted at U.S. 1 and the site's southern entrance nor at 1st Street and U.S. 1. Neither Public Works nor FDOT encourage additional .traffic signals on U.S. #1, although future conditions at the entrance could warrant signali- zation. The staff feels that the signal warrants at the southern entrance/U.S. #1 intersection will- be met. Since the pro- posed traffic signal at the south entrance is a site related improvement to service only this project, the developer should bear the cost of installation, operation and upkeep [see attachment 5 for specifics), if and when the signal is permitted by FDOT. U.S. #1/1st Street Intersection According to the traffic impact analysis, the U.S. #1/1st Street intersection is currently functioning at level of service "E" (peak hour). The critical movements are left turns from 1st Street onto U.S. #1 northbound, and a "through" movement from 1st Street to Vista Royale. Until recently, the County Traffic Engineer and the applicant's traffic consultant agreed that signalization was the only improvement that could bring the entire intersection up to an APR 519 20 BOOK. 71 FADE 448