Table 5: Number and Cost of 2016 Projects by Improvement Category
| Improvement Category | Number of Projects | Total Cost of Projects* | Average Total Cost* | Total HSIP Cost of Projects* | Average HSIP Cost* |
|---|---|---|---|---|---|
| Access management | 74 | $24,735,205.53 | $618,380.14 | $19,149,121.56 | $478,728.04 |
| Advanced technology and ITS | 23 | $133,498,042.07 | $7,026,212.74 | $18,717,355.65 | $985,123.98 |
| Alignment | 57 | $109,742,958.24 | $2,494,158.14 | $83,516,678.05 | $1,942,248.33 |
| Animal-related | 1 | $1,605,406.00 | $1,605,406.00 | $1,605,406.00 | $1,605,406.00 |
| Interchange design | 43 | $45,468,192.30 | $1,228,870.06 | $35,188,717.47 | $951,046.42 |
| Intersection geometry | 458 | $407,951,361.13 | $1,065,147.16 | $264,228,117.69 | $697,171.81 |
| Intersection traffic control | 608 | $370,872,781.67 | $690,638.33 | $280,015,667.29 | $529,330.18 |
| Lighting | 64 | $50,795,526.81 | $875,784.95 | $45,617,428.72 | $800,305.77 |
| Miscellaneous | 61 | $61,648,392.67 | $1,185,546.01 | $38,550,526.49 | $755,892.68 |
| Multiple | 15 | $19,712,910.48 | $1,314,194.03 | $19,440,563.48 | $1,296,037.57 |
| Non-infrastructure | 205 | $83,818,845.37 | $463,087.54 | $72,048,428.46 | $400,269.05 |
| Parking | 1 | $244,896.00 | $244,896.00 | $244,896.00 | $244,896.00 |
| Pedestrians and bicyclists | 180 | $101,308,610.06 | $865,885.56 | $81,405,462.91 | $707,873.59 |
| Railroad grade crossings | 50 | $17,231,494.00 | $574,383.13 | $12,297,082.00 | $409,902.73 |
| Roadside | 444 | $459,773,354.90 | $1,191,122.68 | $393,629,816.45 | $1,033,149.12 |
| Roadway | 1244 | $1,106,988,026.56 | $927,125.65 | $497,480,541.80 | $417,699.87 |
| Roadway delineation | 246 | $261,570,735.14 | $1,157,392.63 | $103,763,309.83 | $459,129.69 |
| Roadway signs and traffic control | 261 | $70,422,979.73 | $294,656.82 | $66,095,010.82 | $281,255.37 |
| Shoulder treatments | 220 | $538,903,795.63 | $2,554,046.42 | $334,430,445.80 | $1,584,978.42 |
| Speed management | 6 | $5,639,289.00 | $1,409,822.25 | $443,000.00 | $221,500.00 |
| Work Zone | 13 | $6,669,955.78 | $513,073.52 | $6,584,195.78 | $506,476.60 |
| Unknown | 194 | $149,059,277.47 | $768,346.79 | $86,080,703.88 | $623,773.22 |
| Total | 4468 | $4,027,662,036.54 | $1,011,467.11 | $2,460,532,476.13 | $631,877.88 |
* Not all states provided cost data for all projects in a given improvement category.
Table 6: Number and Cost of Projects by Subcategory for Intersection Geometry
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Auxiliary lanes – add left-turn lane | 141 | $123,639,661.11 |
| Auxiliary lanes – add right-turn lane | 32 | $25,433,446.39 |
| Auxiliary lanes – other | 49 | $62,997,174.60 |
| Intersection geometrics – modify skew angle | 18 | $20,869,394.10 |
| Intersection geometrics – other/unknown | 204 | $161,588,327.42 |
| Intersection geometrics – realignment to improve offset | 14 | $13,423,357.51 |
| Total | 458 | $407,951,361.13 |
Table 7: Number and Cost of Projects by Subcategory for Intersection Traffic Control
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Intersection flashers and signing | 84 | $26,426,718.00 |
| Intersection traffic control – other/unknown | 190 | $97,361,597.86 |
| Modify control to roundabout | 90 | $87,550,632.90 |
| Modify traffic signal | 198 | $139,339,091.16 |
| Modify traffic signal timing or phasing | 37 | $15,946,733.00 |
| Pavement markings | 9 | $4,248,008.75 |
| Total | 608 | $370,872,781.67 |
Table 8: Number and Cost of Projects by Subcategory for Pedestrians and Bicyclists
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Install or modify crosswalk | 26 | $3,192,251.00 |
| Install or modify pedestrian signal | 53 | $32,579,159.94 |
| Install sidewalk | 30 | $4,856,324.00 |
| Miscellaneous pedestrian and bicyclist improvements | 71 | $60,680,875.12 |
| Total | 180 | $101,308,610.06 |
Table 9: Number and Cost of Projects by Subcategory for Roadway
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Pavement surface | 100 | $105,145,037.40 |
| Roadway – other/unknown | 704 | $351,258,463.55 |
| Roadway narrowing (road diet, roadway reconfiguration) | 23 | $78,680,798.50 |
| Roadway widening | 59 | $423,937,644.13 |
| Rumble strips | 335 | $140,327,388.34 |
| Superelevation / cross slope | 23 | $7,638,694.64 |
| Total | 1244 | $1,106,988,026.56 |
Table 10: Number and Cost of Projects by Subcategory for Roadside
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Barrier | 282 | $353,246,216.17 |
| Barrier end treatments | 59 | $23,384,061.92 |
| Curb and drainage improvements | 1 | $1,983,967.00 |
| Removal of roadside objects | 11 | $2,785,050.00 |
| Roadside grading | 18 | $2,969,227.00 |
| Roadside – other/unknown | 73 | $75,404,832.81 |
| Total | 444 | $459,773,354.90 |