2300 KASCH PARK RD 2018-01-01 MF Import

Che 100th S.E. int�rsections by 3% in the p.m. peakhour. It would add 5% to ttie deily volume in 1965 entering the intersection. The 1990 traffic projectioas and the site treffic are compared to the street capecity in Table 2. Projected Trnffic vs. Capacity Table 2 PM Peakhour Location Daily Trafiic Street Site Total Street ' Tra:Efic Capacity (1) :2) Air,port Road at Casino Rd. 22,700 1,70Q 120 1,f,20 1,900 IOOth S.W. 22,700 1,700 120 1,i20 1,900 �12th S.W. 24,000 1,800 - 120 1,5�20 1,900 S.R. 99 27,700 2,090 120 2,::1� 1,470 (3) S.R. 99 at Airport Road 25,800 1,430 10 1,�.40 1,470 (3) (1) Peak hour of 3:00 to 4:00 p.m. is controlled by Boeing :shift workers. The southbound neak is 13% of the ADT based on current ,�DT of 9,800 and suuthbound peak of 1,250. This rate is ur,usuallp high. N'ith the projection of an 132% increase in traffic in the area �n 1990, the 3 to 4:00 p.o. hour percentage will drop significnntly. The peaV traffic will be more diversified and spread over more hours. There- iore a ratio of 8% was selected for the 1990 analysis of Airport Road. This ratio is still 30b greater than the 6% com¢only Yeund elsewhere. (2) St_'eet intersection capacity wes estimated based on Letrel of Service D, Highwey capacity manusl chart, Fith a 2-wa,y street �tith no parking in the fringe area, s peak hour factor 0.95, with 8� l�nft turns snd 5% heavy vehicles. Airport Road has 4 lanes plus a le:Et turn lane. �apacity was estimated assuming a 65% Green time and cross streets heve 2 lanes with left turn lnne. (3) Existing S.R. 99 is 4 lanes plus e left tt:rn lane. Capacity was estimeted assuming a Green time of 45% for each roed. If the streets are widened as proposed at the intersection of S.R. 99 and Airport Road to 6 lanes with a frer right and a left turn lane. The cspacity will then increase t� 2,490 VPH at Level of Service D. The site traffic will split. One half will go north and tt�e other half .outh. Table 2 shoc,•s that there is sufficient capacity et Level of Serv•• ice D on Airport koad except et the intersection of S.R. 9!) �.•here serious -3-