Skip to content
ABOUT RITA
|
CONTACT US
|
PRESS ROOM
|
CAREERS
|
SITE MAP
Data and Statistics
Bookstore
Programs
About BTS
Upcoming Press Releases
External Links
BTS Home
>
Publications
>
Journal of Transportation and Statistics
>
Volume 5 Number 2/3
>
Paper 3
Table 3
Estimated AM Peak Origin Ramp Volume Using Imputation Methodology
Excel
|
CSV
Origin 1
observed
volume
Origin 1
estimated
volume
Percentage
error
Origin 6
observed
volume
Origin 6
estimated
volume
Percentage
error
25
40
–61
197
175
11
23
26
–14
194
201
–4
42
48
–15
211
202
4
23
37
–62
193
194
0
77
85
–11
220
208
6
25
0
NA
173
169
2
29
38
–29
195
200
–2
29
34
–16
188
177
6
48
50
–4
182
162
11
36
22
40
185
182
2
31
41
–33
176
164
7
33
32
4
189
167
12
17
51
–203
200
181
9
17
20
–18
183
181
1
30
43
–44
209
206
1
21
31
–47
173
166
4
21
33
–57
211
212
0
28
30
–8
178
179
–1
13
15
–14
194
203
–5
22
36
–61
157
154
2
19
33
–73
210
192
9
26
36
–38
208
215
–3
14
13
9
216
198
8
27
42
–54
169
173
–2
28
55
–95
191
171
11
16
13
20
187
195
–4
19
29
–53
214
200
7
17
13
23
174
168
4
16
5
67
203
176
13
34
47
–39
217
198
9
15
12
21
198
195
2
16
24
–53
172
158
8
23
52
–125
193
161
17
17
23
–37
203
196
3
23
41
–78
185
178
4
14
7
51
192
196
–2
16
41
–158
215
189
12
24
28
–17
185
184
0
17
18
–6
200
205
–2
26
29
–12
183
192
–5
19
40
–109
160
128
20
28
33
–17
180
193
–7
26
35
–35
223
200
10
26
35
–34
175
180
–3
17
39
–130
195
170
13
24
32
–34
199
201
–1
27
32
–20
216
221
–2
18
7
60
192
209
–9
18
30
–68
184
192
–4
37
33
10
190
193
–2
22
16
26
196
184
6
21
37
–75
185
164
11
20
28
–42
213
181
15
22
18
18
204
204
0
31
58
–88
193
176
9
23
32
–39
187
179
4
36
21
43
226
226
0
23
27
–15
169
183
–8
67
65
3
244
257
–5
25
0
–
207
200
3
21
63
–199
227
194
15
25
27
–9
188
187
1
25
34
–34
222
215
3
22
28
–26
204
197
4
16
40
–151
218
193
11
28
28
–1
214
211
1
24
28
–16
225
225
0
24
40
–68
200
192
4
29
39
–35
203
198
3
42
38
8
167
175
–5
43
51
–19
191
189
1
41
41
0
199
216
–9
Average error: –30
Average error: 3