Section 415-7-002 - GRADE CROSSING SAFETY ASSESSMENT PROCESS002.01 The grade crossing safety assessment process may include, but is not limited to consideration of the following factors: 002.01A Volume of trains.002.01B Volume of motor vehicles, including character, function, and type of vehicular traffic through the crossing.002.01C Number of tracks at the crossing.002.01D Geometry of the crossing, including acute angles.002.01E Sight-distance restrictions, if any.002.01F Train and motor vehicle speed.002.01G Accident history.002.01H Character of proximate road network, including distance and travel time to adjacent crossings.002.01I Frequency and duration of roadway blockage by trains, including citation history.002.01J Emergency response routes, including alternatives.002.01K Economic impact of crossing.002.01L Current and foreseeable development in the vicinity of the crossing.002.01M Location of schools, school bus routes, hospitals, police and fire stations.002.02 The Grade Crossing Safety Assessment process shall be completed by the Department and shall include the following steps:002.02A CORRIDOR IDENTIFICATION. For each county, the Department shall identify all crossings of railroad tracks by public or private roads, streets and highways. The Department, in its sole discretion, shall establish groups of two or more adjacent crossings to be separately identified as crossing corridors ("corridors"). Generally, a corridor shall only include crossings in the same county and shall not include both city street and county road crossings. 002.02B CORRIDOR CLASSIFICATION. The Department shall classify each corridor as rural or urban, and as high density or low density. 002.02B1 An urban corridor is a corridor that includes a crossing located within the corporate limits of a city with a population greater than 5,000 residents. A rural corridor is a corridor that is not an urban corridor.002.02B2 A high density corridor is a corridor that includes a crossing with an average of over 40 trains per day. A low density corridor is a corridor that is not a high density corridor.002.02B3 A municipal crossing is a crossing located inside the corporate limits of any village or city.002.02B4 A non-municipal crossing is a crossing located outside the corporate limits of any village or city.002.02C CORRIDOR PRIORITIZATION. The Department shall prioritize the relative needs of corridors within each classification. A priority index value shall be calculated for each corridor based upon a weighted analysis of crossing collisions, crossing blockages and the use of the crossings for emergency services.002.02D CORRIDOR IMPROVEMENTS OPTIONS 002.02D1 In the initial corridor prioritization process, the Department may consider the following primary corridor improvement options:002.02D1A Crossing closures002.02D1B Warning device upgrades002.02D1C Installation of flashing light signals or flashing light signals with automatic gates 002.02D1D Construction of grade separation structure(s)` 002.02D2 Other options may be considered during detailed Diagnostic Team Reviews. 002.02E CORRIDOR IMPROVEMENT EVALUATION. The Department may evaluate each improvement option based upon a weighted analysis of the following five factors: collisions, emergency response, blockage, economic significance and corridor improvement costs.415 Neb. Admin. Code, ch. 7, § 002