sr 60 “twin pairs” - City of Vero Beach

Segment
Table 5: GTCRPM Traffic Volume Forecasts and Growth Rates
2005
Conditions
(1)
2035 w/o
Lane
Reduction (2)
2035 with
Lane
Reduction (3)
Annual
Growth
Rate
(1) to (2)
SR 60 “Twin Pairs” Traffic Calming Feasibility Study Page 13
Annual
Growth
Rate
(1) to (3)
SR 60 – West of 20 Avenue 34,000 41,000 40,500 0.6 0.6
SR 60 EB – 20 Avenue to 14 Avenue 15,800 18,750 18,150 0.6 0.5
SR 60 WB – 20 Avenue to 14
Avenue
SR 60 EB – 14 Avenue to Commerce
Avenue
SR 60 WB – 14 Avenue to
Commerce Avenue
13,300 17,200 15,700 0.9 0.6
14,950 16,200 15,800 0.3 0.2
10,800 13,300 12,700 0.7 0.5
SR 60 EB – Commerce Ave to US 1 13,100 14,400 13,750 0.3 0.2
SR 60 WB – Commerce Ave to US 1 12,900 15,500 15,250 0.6 0.6
20 Avenue – south of SR 60 4,750 4,750 4,650 0.0 -0.1
20 Avenue – north of SR 60 8,700 10,900 10,300 0.8 0.6
14 Avenue – south of SR 60 8,200 10,050 9,950 0.7 0.6
14 Avenue – north of SR 60 12,100 12,200 12,100 0.0 0.0
10 Avenue – south of SR 60 4,150 9,000 9,400 2.6 2.8
10 Avenue – north of SR 60 7,800 9,800 9,900 0.8 0.8
21 Street – West of 20 Avenue 4,700 7,900 8,000 1.7 1.8
21 Street – 20 Avenue to 14 Avenue 3,300 7,300 8,400 2.7 3.2
21 Street – 14 Avenue to Commerce
Avenue
US 1 – Commerce Avenue to E of 10
Avenue
5,000 8,100 9,200 1.6 2.1
16,500 17,050 17,250 0.1 0.1
US 1 – south of SR 60 24,950 25,250 25,150 0.0 0.0
US 1 – north of SR 60 13,300 12,100 12,100 -0.3 -0.3
Aggregate Growth Rates
SR 60 (one-way pair) 0.6 0.4
21 Street 2.0 2.3
North-south minor streets 0.8 0.8
Diversions
The potential diversion of traffic from the SR 60 “Twin Pairs” to other roads due to the reduction of
capacity was estimated by comparing the GTCRPM model output from the 2035 “build” and “no build”
scenarios. The traffic diversion analysis was used to assess if any adjacent streets would be adversely