Chart 1: Tennessee: MP3 Rest Area

Chart 1:

Tennessee: MP3 Rest Area

Figure 1: Modeling Process for Estimating Rest Area Truck Parking Spaces

Figure 1: Modeling Process for Estimating Rest Area Truck
Source: Apogee Research, Inc.

Table E1: Identification (Step 1)

(1)
Identification
Number (2)
County (3)
Interstate (4)
Milepost (5)
ADT (6)
DPRV (7)
DINT (8)
Welcome
Center (9)
Type of
Space (10)
Food
Facilites (11)
Adequate
Lighting (12)
Attendant

XYZ001
XYZ002
XYZ003
County A
County B
County C
Z-1
Z-2
Z-3
138
63
41
8,650
16,565
31,100
74
42
54
8.5
13.3
7.6
Yes
No
No
DPT
P
DNPT
Yes
Yes
No
No
Yes
No
No
No
Yes

Table E2: Data Entry (Step 2)

(1)
Identification
Number (2)
County (3)
Interstate (4)
Milepost (5)
ADT (6)
DPRV (7)
DINT (8)
Welcome
Center (9)
Type of
Space (10)
Food
Facilites (11)
Adequate
Lighting (12)
Attendant

XYZ001
XYZ002
XYZ003
County A
County B
County C
Z-1
Z-2
Z-3
138
63
41
8,650
16,565
31,100
74
42
54
8.5
13.3
7.6
Yes
No
No
DPT
P
DNPT
Yes
Yes
No
No
Yes
No
No
No
Yes

Abbreviations Used:
DPRV = Distance from previous rest area
DINT = Distance to the next interchange
DPT = Diagonal pull-through parking spaces
DNPT = Diagonal not-pull-through parking spaces
P = Parallel parking spaces

Table E3: Data Recoding (Step 2 Contd.)

(1)
Identification
Number (2)
County (3)
Interstate (4)
Milepost (5)
ADT (6)
DPRV (7)
DINT (8)
Welcome
Center (9)
Type of
Space (10)
Food
Facilites (11)
Adequate
Lighting (12)
Attendant

XYZ001
XYZ002
XYZ003
County A
County B
County C
Z-1
Z-2
Z-3
138
63
41
8,650
16,565
31,100
1
0
1
0
1
0
1
0
0
1
0
0
1
1
0
0
1
0
0
0
1

Table E4: Application of Decision Rules (Step 3)

Rest Area Parameter Values

P DH Dt PF VHS

XYZ001
XYZ002
XYZ003
0.16
0.15
0.14
0.15
0.1
0.075
0.25
0.25
0.25
1.8
1.8
1.8
2.0
2.0
2.0

Table E5: Estimation of Truck Parking Spaces (Step 4)

Base Estimation Formula

NTSPACES = ADT x P x DH x Dt x PF
VHS

Rest Area Formula Inputs Estimated Spaces

XYZ001 NTSPACES = 8.650 x 0.16 x 0.15 x 0.25 x 1.8
2.0 47

XYZ002 NTSPACES = 16.565 x 0.15 x 0.10 x 0.25 x 1.8
2.0 56

XYZ003 NTSPACES = 31,100 x 0.14 x 0.075 x 0.25 x 1.8
2.0 73

Last updated November 12, 1999

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United States Department of Transportation - Federal Highway Administration

Table E1: Identification (Step 1)
(1) Identification Number	(2) County	(3) Interstate	(4) Milepost	(5) ADT	(6) DPRV	(7) DINT	(8) Welcome Center	(9) Type of Space	(10) Food Facilites	(11) Adequate Lighting	(12) Attendant
XYZ001 XYZ002 XYZ003	County A County B County C	Z-1 Z-2 Z-3	138 63 41	8,650 16,565 31,100	74 42 54	8.5 13.3 7.6	Yes No No	DPT P DNPT	Yes Yes No	No Yes No	No No Yes

Table E2: Data Entry (Step 2)
(1) Identification Number	(2) County	(3) Interstate	(4) Milepost	(5) ADT	(6) DPRV	(7) DINT	(8) Welcome Center	(9) Type of Space	(10) Food Facilites	(11) Adequate Lighting	(12) Attendant
XYZ001 XYZ002 XYZ003	County A County B County C	Z-1 Z-2 Z-3	138 63 41	8,650 16,565 31,100	74 42 54	8.5 13.3 7.6	Yes No No	DPT P DNPT	Yes Yes No	No Yes No	No No Yes

Table E4: Application of Decision Rules (Step 3)
Rest Area	Parameter Values
Rest Area	P	DH	Dt	PF	VHS
XYZ001 XYZ002 XYZ003	0.16 0.15 0.14	0.15 0.1 0.075	0.25 0.25 0.25	1.8 1.8 1.8	2.0 2.0 2.0

Rest Area	Formula Inputs		Estimated Spaces
XYZ001	NTSPACES =	8.650 x 0.16 x 0.15 x 0.25 x 1.8 2.0	47
XYZ002	NTSPACES =	16.565 x 0.15 x 0.10 x 0.25 x 1.8 2.0	56
XYZ003	NTSPACES =	31,100 x 0.14 x 0.075 x 0.25 x 1.8 2.0	73