City Square-RetailAssessment of Traffic Impacts

Presented to City of Miami Commission September 7, 2006

Background

• The purpose of this study is to assess the traffic impacts of the City Square-Retail development on the surrounding street network.

• The study area defined for this analysis is bound by NE 15th Street on the north, NE 13th Street to the south, Herald Plaza to the east, and Biscayne Blvd. to the west.

Study Area

Bis

cayn

e

Bou

levard

NE 13th Street

NE 14th Street

NE 15th Street

N.

Baysh

ore

Dri

ve

Hera

ld

Pla

za

Methodology

• Data Collection– 4-hour turning movement counts obtained from previous

studies submitted to the City. • Trip Generation

– Institute of Transportation Engineer’s, Trip Generation Report, 7th Edition.

• Trip Distribution– Cardinal distribution of each traffic analysis

zone (TAZ).

• Level of Service– Highway Capacity Manual, 2000 Edition.

5

123

4

6

78

101112

1314

Project

Number

Project Name

1Marina Blue (824 Biscayne Blvd.)

2 900 Biscayne Blvd.

3 Marquis (1100 Biscayne Blvd.)

4 Marquis West (111 NE 11 Street)

5 Herald Plaza (Parcel 3)

6 Herald Plaza (Parcel 1)

7 1400 & 1490 Biscayne Blvd.

Project

Number

Project Name

8 The Chelsea (1550 Biscayne Blvd)

9 1650 Biscayne Blvd.

10 Portico (1837 NE 4th Ave.)

11 Opera Tower (1744 N. Bayshore Dr.)

12 Quantum (1900 N. Bayshore Dr.)

13Hotel De L' Opera (1783-95 NE 4th Ave.)

14 1800 Club (1800 North Bayshore Dr.)

Biscayne Blvd.

NE 2nd Ave.

9

Area Projects

Project Name

PM Peak Hour Trips

In Out TOTAL

Trips Trips Trips

Marina Blue (824 Biscayne Blvd.) 112 95 207

900 Biscayne Blvd. 87 109 196

Marquis (1100 Biscayne Blvd.) 23 28 51

Marquis West (111 NE 11 Street) 135 133 268

City Square (East & West Parcels) 750 754 1504

Herald Plaza (Parcel 1) 87 63 150

1400 & 1490 Biscayne Blvd. 384 228 612

The Chelsea (1550 Biscayne Blvd) 205 224 429

1650 Biscayne Blvd. 261 194 455

Portico (1837 NE 4th Ave.) 61 61 122

Opera Tower (1744 N. Bayshore Dr.) 124 91 215

Quantum (1900 N. Bayshore Dr.) 118 82 200

Hotel De L' Opera (1783-95 NE 4th Ave.) 139 154 293

1800 Club (1800 N. Bayshore Dr.) 82 71 153

Total 2568 2287 4855

Trip Generation

Results

Signalized IntersectionInt Approach LOS

Approach Delay (s/veh)

LOS

EBWB

NB

SB EB WB NB SB

Biscayne Boulevard

atNE 13 St C - F B B - 81.9 19.2 10.6

Biscayne Boulevard

atNE 14 St B D E B A 47.2 73.8 10.0 5.4

Biscayne Boulevard

atNE 15 St D D D C D 53.7 47.9 23.4 49.6

N. Bayshore Drive a

tNE 13 St B - B - B - 10.9 - 18.7

N. Bayshore Drive a

tNE 14 St B C C B B 27.4 20.9 14.9 17.5

N. Bayshore Drive a

tNE 15 St C C B C C 26.0 19.7 22.4 25.6

Existing Level of Service

Results

Signalized IntersectionInt Approach LOS Approach Delay (s/veh)

LOS EB WB NB SB EB WB NB SB

Biscayne Boulevard at NE 13 St F - F F C - 235.6 207.9 24.4

Biscayne Boulevard at NE 14 St F F F F C 178.7 >400 215.6 33.0

Biscayne Boulevard at NE 15 St F F F F F 106.3 337.7 218.2354.

3

N. Bayshore Drive at NE 13 St C - B - D - 11.4 - 43.7

N. Bayshore Drive at NE 14 St F F C B C >400 23.4 16.4 34.7

N. Bayshore Drive at NE 15 St D F C E C 81.4 22.1 60.4 28.7

Future (2010) Level of Service

Study Area

F

F

F F

Traffic Simulation (2010)

Conclusions

• The results indicate level of service F at the following intersections:

– Biscayne Boulevard at NE 13th Street– Biscayne Boulevard at NE 14th Street– Biscayne Boulevard at NE 15th Street– N. Bayshore Drive at NE 14th Street

• Significant impacts to the surrounding street network.